12x+4x-5-7=20

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Solution for 12x+4x-5-7=20 equation:


Simplifying
12x + 4x + -5 + -7 = 20

Reorder the terms:
-5 + -7 + 12x + 4x = 20

Combine like terms: -5 + -7 = -12
-12 + 12x + 4x = 20

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

Solving
-12 + 16x = 20

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 16x = 20 + 12

Combine like terms: -12 + 12 = 0
0 + 16x = 20 + 12
16x = 20 + 12

Combine like terms: 20 + 12 = 32
16x = 32

Divide each side by '16'.
x = 2

Simplifying
x = 2

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