77+86+70+61+94+x+x=80

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Solution for 77+86+70+61+94+x+x=80 equation:


Simplifying
77 + 86 + 70 + 61 + 94 + x + x = 80

Combine like terms: 77 + 86 = 163
163 + 70 + 61 + 94 + x + x = 80

Combine like terms: 163 + 70 = 233
233 + 61 + 94 + x + x = 80

Combine like terms: 233 + 61 = 294
294 + 94 + x + x = 80

Combine like terms: 294 + 94 = 388
388 + x + x = 80

Combine like terms: x + x = 2x
388 + 2x = 80

Solving
388 + 2x = 80

Solving for variable 'x'.

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

Add '-388' to each side of the equation.
388 + -388 + 2x = 80 + -388

Combine like terms: 388 + -388 = 0
0 + 2x = 80 + -388
2x = 80 + -388

Combine like terms: 80 + -388 = -308
2x = -308

Divide each side by '2'.
x = -154

Simplifying
x = -154

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