12=4+1.2(x-4)

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Solution for 12=4+1.2(x-4) equation: 


Simplifying
12 = 4 + 1.2(x + -4)

Reorder the terms:
12 = 4 + 1.2(-4 + x)
12 = 4 + (-4 * 1.2 + x * 1.2)
12 = 4 + (-4.8 + 1.2x)

Combine like terms: 4 + -4.8 = -0.8
12 = -0.8 + 1.2x

Solving
12 = -0.8 + 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
12 + -1.2x = -0.8 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
12 + -1.2x = -0.8 + 0.0
12 + -1.2x = -0.8

Add '-12' to each side of the equation.
12 + -12 + -1.2x = -0.8 + -12

Combine like terms: 12 + -12 = 0
0 + -1.2x = -0.8 + -12
-1.2x = -0.8 + -12

Combine like terms: -0.8 + -12 = -12.8
-1.2x = -12.8

Divide each side by '-1.2'.
x = 10.66666667

Simplifying
x = 10.66666667

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