13=-7-4x

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Solution for 13=-7-4x equation:


Simplifying
13 = -7 + -4x

Solving
13 = -7 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
13 + 4x = -7 + -4x + 4x

Combine like terms: -4x + 4x = 0
13 + 4x = -7 + 0
13 + 4x = -7

Add '-13' to each side of the equation.
13 + -13 + 4x = -7 + -13

Combine like terms: 13 + -13 = 0
0 + 4x = -7 + -13
4x = -7 + -13

Combine like terms: -7 + -13 = -20
4x = -20

Divide each side by '4'.
x = -5

Simplifying
x = -5

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