84+56+x=

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Solution for 84+56+x= equation: 


Simplifying
84 + 56 + x = 0

Combine like terms: 84 + 56 = 140
140 + x = 0

Solving
140 + x = 0

Solving for variable 'x'.

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

Add '-140' to each side of the equation.
140 + -140 + x = 0 + -140

Combine like terms: 140 + -140 = 0
0 + x = 0 + -140
x = 0 + -140

Combine like terms: 0 + -140 = -140
x = -140

Simplifying
x = -140

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