7x-12x-28=47

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Solution for 7x-12x-28=47 equation:


Simplifying
7x + -12x + -28 = 47

Reorder the terms:
-28 + 7x + -12x = 47

Combine like terms: 7x + -12x = -5x
-28 + -5x = 47

Solving
-28 + -5x = 47

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -5x = 47 + 28

Combine like terms: -28 + 28 = 0
0 + -5x = 47 + 28
-5x = 47 + 28

Combine like terms: 47 + 28 = 75
-5x = 75

Divide each side by '-5'.
x = -15

Simplifying
x = -15

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