x+16+2x+4=7x-12

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Solution for x+16+2x+4=7x-12 equation:


Simplifying
x + 16 + 2x + 4 = 7x + -12

Reorder the terms:
16 + 4 + x + 2x = 7x + -12

Combine like terms: 16 + 4 = 20
20 + x + 2x = 7x + -12

Combine like terms: x + 2x = 3x
20 + 3x = 7x + -12

Reorder the terms:
20 + 3x = -12 + 7x

Solving
20 + 3x = -12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + 3x + -7x = -12 + 7x + -7x

Combine like terms: 3x + -7x = -4x
20 + -4x = -12 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + -4x = -12 + 0
20 + -4x = -12

Add '-20' to each side of the equation.
20 + -20 + -4x = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -4x = -12 + -20
-4x = -12 + -20

Combine like terms: -12 + -20 = -32
-4x = -32

Divide each side by '-4'.
x = 8

Simplifying
x = 8

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