2x-5-7x=20

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Solution for 2x-5-7x=20 equation:


Simplifying
2x + -5 + -7x = 20

Reorder the terms:
-5 + 2x + -7x = 20

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

Solving
-5 + -5x = 20

Solving for variable 'x'.

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

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

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

Combine like terms: 20 + 5 = 25
-5x = 25

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

Simplifying
x = -5

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