3x+7x-1=12+2x

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Solution for 3x+7x-1=12+2x equation:


Simplifying
3x + 7x + -1 = 12 + 2x

Reorder the terms:
-1 + 3x + 7x = 12 + 2x

Combine like terms: 3x + 7x = 10x
-1 + 10x = 12 + 2x

Solving
-1 + 10x = 12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-1 + 10x + -2x = 12 + 2x + -2x

Combine like terms: 10x + -2x = 8x
-1 + 8x = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
-1 + 8x = 12 + 0
-1 + 8x = 12

Add '1' to each side of the equation.
-1 + 1 + 8x = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 8x = 12 + 1
8x = 12 + 1

Combine like terms: 12 + 1 = 13
8x = 13

Divide each side by '8'.
x = 1.625

Simplifying
x = 1.625

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