3+7+x=-1

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Solution for 3+7+x=-1 equation: 


Simplifying
3 + 7 + x = -1

Combine like terms: 3 + 7 = 10
10 + x = -1

Solving
10 + x = -1

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + x = -1 + -10

Combine like terms: 10 + -10 = 0
0 + x = -1 + -10
x = -1 + -10

Combine like terms: -1 + -10 = -11
x = -11

Simplifying
x = -11

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