Pre-Algebra - Flashcard 3.5

Front

Solve: 6 = -3(x + 2)

Back

x = -4

Front

Solve: 7.9x – 2 – 4.2x – 10 = 2.8

Back

x = 4

Front

Solve: 4x + 6 + 3 = 17

Back

x = 2

Front

Solve: -8 = -(x+4)

Back

x = 4

Front

Solve: -20 = -4x - 6x

Back

x = 2

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides.

Front

What is the solution to the equation x/2 = 5?

Back

x = 10