7x-10=2x-20

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Solution for 7x-10=2x-20 equation:


Simplifying
7x + -10 = 2x + -20

Reorder the terms:
-10 + 7x = 2x + -20

Reorder the terms:
-10 + 7x = -20 + 2x

Solving
-10 + 7x = -20 + 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.
-10 + 7x + -2x = -20 + 2x + -2x

Combine like terms: 7x + -2x = 5x
-10 + 5x = -20 + 2x + -2x

Combine like terms: 2x + -2x = 0
-10 + 5x = -20 + 0
-10 + 5x = -20

Add '10' to each side of the equation.
-10 + 10 + 5x = -20 + 10

Combine like terms: -10 + 10 = 0
0 + 5x = -20 + 10
5x = -20 + 10

Combine like terms: -20 + 10 = -10
5x = -10

Divide each side by '5'.
x = -2

Simplifying
x = -2

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