3x+4+10x-1=20+x+7

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Solution for 3x+4+10x-1=20+x+7 equation:


Simplifying
3x + 4 + 10x + -1 = 20 + x + 7

Reorder the terms:
4 + -1 + 3x + 10x = 20 + x + 7

Combine like terms: 4 + -1 = 3
3 + 3x + 10x = 20 + x + 7

Combine like terms: 3x + 10x = 13x
3 + 13x = 20 + x + 7

Reorder the terms:
3 + 13x = 20 + 7 + x

Combine like terms: 20 + 7 = 27
3 + 13x = 27 + x

Solving
3 + 13x = 27 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 13x + -1x = 27 + x + -1x

Combine like terms: 13x + -1x = 12x
3 + 12x = 27 + x + -1x

Combine like terms: x + -1x = 0
3 + 12x = 27 + 0
3 + 12x = 27

Add '-3' to each side of the equation.
3 + -3 + 12x = 27 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 27 + -3
12x = 27 + -3

Combine like terms: 27 + -3 = 24
12x = 24

Divide each side by '12'.
x = 2

Simplifying
x = 2

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