7x+3x-20=x-2

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Solution for 7x+3x-20=x-2 equation:


Simplifying
7x + 3x + -20 = x + -2

Reorder the terms:
-20 + 7x + 3x = x + -2

Combine like terms: 7x + 3x = 10x
-20 + 10x = x + -2

Reorder the terms:
-20 + 10x = -2 + x

Solving
-20 + 10x = -2 + 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.
-20 + 10x + -1x = -2 + x + -1x

Combine like terms: 10x + -1x = 9x
-20 + 9x = -2 + x + -1x

Combine like terms: x + -1x = 0
-20 + 9x = -2 + 0
-20 + 9x = -2

Add '20' to each side of the equation.
-20 + 20 + 9x = -2 + 20

Combine like terms: -20 + 20 = 0
0 + 9x = -2 + 20
9x = -2 + 20

Combine like terms: -2 + 20 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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