Users' questions

How can you solve equations with variables on both sides of the equals sign?

How can you solve equations with variables on both sides of the equals sign?

To solve multistep equations with variables on both sides, first combine like terms and clear fractions. Then add or subtract variable terms to both sides so that the variable occurs on only one side of the equation. Then use properties of equality to isolate the variable.

How do you solve an equation with two variables on both sides?

After simplifying, the first step in solving an equation with a variable on both sides is to get the variable on one side. This is done by reversing the addition or subtraction of one of the terms with the variable….Solve using inverse operations:

  1. 2y – 3 + 3 = 5 + 3.
  2. 2y = 8.
  3. =
  4. y = 4.

What happens if both sides are equal?

If two expressions are equal to each other, and you add the same value to both sides of the equation, the equation will remain equal. When you solve an equation, you find the value of the variable that makes the equation true.

What is it called when both sides of an equation are equal?

In an equation, the quantities on both sides of the equal sign are equal. The “equa” at the beginning of equation will be familiar from other words such as “equal,” “equality,” and “equate.” All of these words have to do with making things balance out.

How is an equation written with an equal sign?

An equation is written with an equal sign and an expression is without an equal sign. At this point we don’t know the total number of tickets. 3. For the second expression, I knew that my key words, twice as many meant two times as many. So my expression was 2x.

Why does the term go to the other side of the equation?

The term actually goes to the other side of equation because on the original side the two terms cancel out or multiply to 1. So it’s the same thing. Reply to Daniel white’s post “because There is some way of dealing with variable…”

How to identify a constant within a word problem?

The next example shows how to identify a constant within a word problem. A cell phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for m minutes is $21.20. 1. Write an equation that models this situation. 2. How many minutes were charged on this bill?

What does the word same mean in Algebra?

The key word “same” in this problem means that I am going to set my two expressions equal to each other. When we set the two expressions equal, we now have an equation with variables on both sides. After solving the equation, you find that x = 30, which means that after 30 weeks, you and your sister will have the same amount of money.