3x+12+7x=4

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Solution for 3x+12+7x=4 equation:


Simplifying
3x + 12 + 7x = 4

Reorder the terms:
12 + 3x + 7x = 4

Combine like terms: 3x + 7x = 10x
12 + 10x = 4

Solving
12 + 10x = 4

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 + 10x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 10x = 4 + -12
10x = 4 + -12

Combine like terms: 4 + -12 = -8
10x = -8

Divide each side by '10'.
x = -0.8

Simplifying
x = -0.8

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