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50 = -5x

12x = -144

x - 12 = 20

10 + x = -1

A number sentence (has an equal sign)

The number before the variable, the adjective in 4x, the 4 would be the_________.

3 + x = 15

x + 12 = 8

A letter used to represent a number. The noun of the sentence.

x/-4 = 40

12 + x = -5

3x = -15

x/-3 = 12

-10

-160

-17

-36

Coefficient

-12

Equation

-5

32

-4

12

Variable

-11