12=-2.5x+4

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Solution for 12=-2.5x+4 equation: 


Simplifying
12 = -2.5x + 4

Reorder the terms:
12 = 4 + -2.5x

Solving
12 = 4 + -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 = 4 + -2.5x + 2.5x

Combine like terms: -2.5x + 2.5x = 0.0
12 + 2.5x = 4 + 0.0
12 + 2.5x = 4

Add '-12' to each side of the equation.
12 + -12 + 2.5x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 2.5x = 4 + -12
2.5x = 4 + -12

Combine like terms: 4 + -12 = -8
2.5x = -8

Divide each side by '2.5'.
x = -3.2

Simplifying
x = -3.2

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