Solving Equations

Front

What is the goal when solving algebraic equations?

Back

To isolate the variable (get the variable by itself)

Tags

CCSS.7.EE.B.4A

Front

n + 3.5 = 6.7

Back

n = 3.2

Tags

CCSS.6.EE.B.7

Front

7r = 56

Back

r = 8

Tags

CCSS.6.EE.B.7

Front

7.4 = n - 2.6

Back

n = 10

Tags

CCSS.6.EE.B.7

Front

4.5w = 22.5

Back

w = 5

Tags

CCSS.6.EE.B.7

Front

What does it mean to isolate a variable?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is an algebraic equation?

Back

A mathematical statement that shows the equality of two expressions, typically containing variables.

Tags

CCSS.6.EE.A.2C

Front

What is the first step in solving the equation x + 5 = 12?

Back

Subtract 5 from both sides to isolate x.

Tags

CCSS.6.EE.B.7

Front

If 3x = 12, what is the value of x?

Back

x = 4

Tags

CCSS.6.EE.B.7

Front

What operation would you use to solve the equation 5y = 25?

Back

Divide both sides by 5.

Tags

CCSS.HSA.REI.A.1