-13x+1=-90

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Solution for -13x+1=-90 equation: 


Simplifying
-13x + 1 = -90

Reorder the terms:
1 + -13x = -90

Solving
1 + -13x = -90

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + -13x = -90 + -1

Combine like terms: 1 + -1 = 0
0 + -13x = -90 + -1
-13x = -90 + -1

Combine like terms: -90 + -1 = -91
-13x = -91

Divide each side by '-13'.
x = 7

Simplifying
x = 7

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