Grade 7 HW #39

Front

Find the value of x in the equation: 4(x + 2) - 3 = 17

Back

x = 3

Front

Solve for y: y - 4.6 = 12

Back

y = 16.6

Front

What is the solution to the equation: 4( x + 2) = 16?

Back

x = 2

Front

Solve the equation: 10 = 5(x + 3)

Back

x = -1

Front

Write an equation for: You bought a $5 magazine and four erasers. You spent a total of $25. How much did each eraser cost?

Back

5 + 4x = 25

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

Define a variable in an equation.

Back

A symbol used to represent an unknown value.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation to get the variable alone on one side.

Front

What is the first step in solving the equation 4(x + 2) - 3 = 17?

Back

Add 3 to both sides.

Front

What is the solution to the equation 4(x + 2) = 16?

Back

x = 2