6+7x-16x+20+12x-15=-4

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Solution for 6+7x-16x+20+12x-15=-4 equation: 


Simplifying
6 + 7x + -16x + 20 + 12x + -15 = -4

Reorder the terms:
6 + 20 + -15 + 7x + -16x + 12x = -4

Combine like terms: 6 + 20 = 26
26 + -15 + 7x + -16x + 12x = -4

Combine like terms: 26 + -15 = 11
11 + 7x + -16x + 12x = -4

Combine like terms: 7x + -16x = -9x
11 + -9x + 12x = -4

Combine like terms: -9x + 12x = 3x
11 + 3x = -4

Solving
11 + 3x = -4

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = -4 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = -4 + -11
3x = -4 + -11

Combine like terms: -4 + -11 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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