13+7x=-1

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Solution for 13+7x=-1 equation: 


Simplifying
13 + 7x = -1

Solving
13 + 7x = -1

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 7x = -1 + -13

Combine like terms: 13 + -13 = 0
0 + 7x = -1 + -13
7x = -1 + -13

Combine like terms: -1 + -13 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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