13-4x=-15

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Solution for 13-4x=-15 equation: 


Simplifying
13 + -4x = -15

Solving
13 + -4x = -15

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 + -4x = -15 + -13

Combine like terms: 13 + -13 = 0
0 + -4x = -15 + -13
-4x = -15 + -13

Combine like terms: -15 + -13 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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