870X+20=880X-40

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Solution for 870X+20=880X-40 equation: 


Simplifying
870X + 20 = 880X + -40

Reorder the terms:
20 + 870X = 880X + -40

Reorder the terms:
20 + 870X = -40 + 880X

Solving
20 + 870X = -40 + 880X

Solving for variable 'X'.

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

Add '-880X' to each side of the equation.
20 + 870X + -880X = -40 + 880X + -880X

Combine like terms: 870X + -880X = -10X
20 + -10X = -40 + 880X + -880X

Combine like terms: 880X + -880X = 0
20 + -10X = -40 + 0
20 + -10X = -40

Add '-20' to each side of the equation.
20 + -20 + -10X = -40 + -20

Combine like terms: 20 + -20 = 0
0 + -10X = -40 + -20
-10X = -40 + -20

Combine like terms: -40 + -20 = -60
-10X = -60

Divide each side by '-10'.
X = 6

Simplifying
X = 6

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