.75x+15=12

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Solution for .75x+15=12 equation: 


Simplifying
0.75x + 15 = 12

Reorder the terms:
15 + 0.75x = 12

Solving
15 + 0.75x = 12

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 0.75x = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 0.75x = 12 + -15
0.75x = 12 + -15

Combine like terms: 12 + -15 = -3
0.75x = -3

Divide each side by '0.75'.
x = -4

Simplifying
x = -4

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