70+72+x=77

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Solution for 70+72+x=77 equation: 


Simplifying
70 + 72 + x = 77

Combine like terms: 70 + 72 = 142
142 + x = 77

Solving
142 + x = 77

Solving for variable 'x'.

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

Add '-142' to each side of the equation.
142 + -142 + x = 77 + -142

Combine like terms: 142 + -142 = 0
0 + x = 77 + -142
x = 77 + -142

Combine like terms: 77 + -142 = -65
x = -65

Simplifying
x = -65

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