7x-20=2x-5

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


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

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

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

Solving
-20 + 7x = -5 + 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.
-20 + 7x + -2x = -5 + 2x + -2x

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

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

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

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

Combine like terms: -5 + 20 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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