12-4x+15=7

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Solution for 12-4x+15=7 equation:


Simplifying
12 + -4x + 15 = 7

Reorder the terms:
12 + 15 + -4x = 7

Combine like terms: 12 + 15 = 27
27 + -4x = 7

Solving
27 + -4x = 7

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + -4x = 7 + -27

Combine like terms: 27 + -27 = 0
0 + -4x = 7 + -27
-4x = 7 + -27

Combine like terms: 7 + -27 = -20
-4x = -20

Divide each side by '-4'.
x = 5

Simplifying
x = 5

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