15x-40-5x-20=20

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Solution for 15x-40-5x-20=20 equation:


Simplifying
15x + -40 + -5x + -20 = 20

Reorder the terms:
-40 + -20 + 15x + -5x = 20

Combine like terms: -40 + -20 = -60
-60 + 15x + -5x = 20

Combine like terms: 15x + -5x = 10x
-60 + 10x = 20

Solving
-60 + 10x = 20

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 10x = 20 + 60

Combine like terms: -60 + 60 = 0
0 + 10x = 20 + 60
10x = 20 + 60

Combine like terms: 20 + 60 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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