3+7=-77-9x

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Solution for 3+7=-77-9x equation:


Simplifying
3 + 7 = -77 + -9x

Combine like terms: 3 + 7 = 10
10 = -77 + -9x

Solving
10 = -77 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
10 + 9x = -77 + -9x + 9x

Combine like terms: -9x + 9x = 0
10 + 9x = -77 + 0
10 + 9x = -77

Add '-10' to each side of the equation.
10 + -10 + 9x = -77 + -10

Combine like terms: 10 + -10 = 0
0 + 9x = -77 + -10
9x = -77 + -10

Combine like terms: -77 + -10 = -87
9x = -87

Divide each side by '9'.
x = -9.666666667

Simplifying
x = -9.666666667

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