12=-2.5x+20

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Solution for 12=-2.5x+20 equation:


Simplifying
12 = -2.5x + 20

Reorder the terms:
12 = 20 + -2.5x

Solving
12 = 20 + -2.5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.5x' to each side of the equation.
12 + 2.5x = 20 + -2.5x + 2.5x

Combine like terms: -2.5x + 2.5x = 0.0
12 + 2.5x = 20 + 0.0
12 + 2.5x = 20

Add '-12' to each side of the equation.
12 + -12 + 2.5x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2.5x = 20 + -12
2.5x = 20 + -12

Combine like terms: 20 + -12 = 8
2.5x = 8

Divide each side by '2.5'.
x = 3.2

Simplifying
x = 3.2

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