100+5x-20=40

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Solution for 100+5x-20=40 equation:


Simplifying
100 + 5x + -20 = 40

Reorder the terms:
100 + -20 + 5x = 40

Combine like terms: 100 + -20 = 80
80 + 5x = 40

Solving
80 + 5x = 40

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 5x = 40 + -80

Combine like terms: 80 + -80 = 0
0 + 5x = 40 + -80
5x = 40 + -80

Combine like terms: 40 + -80 = -40
5x = -40

Divide each side by '5'.
x = -8

Simplifying
x = -8

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