5x-20+7x-40=

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Solution for 5x-20+7x-40= equation:


Simplifying
5x + -20 + 7x + -40 = 0

Reorder the terms:
-20 + -40 + 5x + 7x = 0

Combine like terms: -20 + -40 = -60
-60 + 5x + 7x = 0

Combine like terms: 5x + 7x = 12x
-60 + 12x = 0

Solving
-60 + 12x = 0

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 + 12x = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 12x = 0 + 60
12x = 0 + 60

Combine like terms: 0 + 60 = 60
12x = 60

Divide each side by '12'.
x = 5

Simplifying
x = 5

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