-7=8x+5+4x

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Solution for -7=8x+5+4x equation:


Simplifying
-7 = 8x + 5 + 4x

Reorder the terms:
-7 = 5 + 8x + 4x

Combine like terms: 8x + 4x = 12x
-7 = 5 + 12x

Solving
-7 = 5 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-7 + -12x = 5 + 12x + -12x

Combine like terms: 12x + -12x = 0
-7 + -12x = 5 + 0
-7 + -12x = 5

Add '7' to each side of the equation.
-7 + 7 + -12x = 5 + 7

Combine like terms: -7 + 7 = 0
0 + -12x = 5 + 7
-12x = 5 + 7

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

Divide each side by '-12'.
x = -1

Simplifying
x = -1

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