Solving Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Tags

CCSS.6.EE.A.2C

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

What is the first step in solving the equation x + 6 = 13?

Back

Subtract 6 from both sides to isolate x.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 2(u - 9) = 4?

Back

u = 11.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation to get the variable by itself.

Tags

CCSS.6.EE.B.7

Front

Back

x = -20.

Tags

CCSS.6.EE.B.7

Front

What is the value of y in the equation y + 8 = 20?

Back

y = 12.

Tags

CCSS.6.EE.B.7

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.6.EE.B.5

Front

What is the solution to the equation 27 = 5r + 2?

Back

r = 5.

Tags

CCSS.7.EE.B.4A

Front

What does it mean for an equation to be balanced?

Back

An equation is balanced when both sides have the same value.

Tags

CCSS.8.EE.C.7B