5X+80+7X-2=

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Solution for 5X+80+7X-2= equation:


Simplifying
5X + 80 + 7X + -2 = 0

Reorder the terms:
80 + -2 + 5X + 7X = 0

Combine like terms: 80 + -2 = 78
78 + 5X + 7X = 0

Combine like terms: 5X + 7X = 12X
78 + 12X = 0

Solving
78 + 12X = 0

Solving for variable 'X'.

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

Add '-78' to each side of the equation.
78 + -78 + 12X = 0 + -78

Combine like terms: 78 + -78 = 0
0 + 12X = 0 + -78
12X = 0 + -78

Combine like terms: 0 + -78 = -78
12X = -78

Divide each side by '12'.
X = -6.5

Simplifying
X = -6.5

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