-12=7x+3(x+12)

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Solution for -12=7x+3(x+12) equation:


Simplifying
-12 = 7x + 3(x + 12)

Reorder the terms:
-12 = 7x + 3(12 + x)
-12 = 7x + (12 * 3 + x * 3)
-12 = 7x + (36 + 3x)

Reorder the terms:
-12 = 36 + 7x + 3x

Combine like terms: 7x + 3x = 10x
-12 = 36 + 10x

Solving
-12 = 36 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-12 + -10x = 36 + 10x + -10x

Combine like terms: 10x + -10x = 0
-12 + -10x = 36 + 0
-12 + -10x = 36

Add '12' to each side of the equation.
-12 + 12 + -10x = 36 + 12

Combine like terms: -12 + 12 = 0
0 + -10x = 36 + 12
-10x = 36 + 12

Combine like terms: 36 + 12 = 48
-10x = 48

Divide each side by '-10'.
x = -4.8

Simplifying
x = -4.8

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