-13=-4-(-3x)

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Solution for -13=-4-(-3x) equation:


Simplifying
-13 = -4 + -1(-3x)

Remove parenthesis around (-3x)
-13 = -4 + -1 * -3x

Multiply -1 * -3
-13 = -4 + 3x

Solving
-13 = -4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-13 + -3x = -4 + 3x + -3x

Combine like terms: 3x + -3x = 0
-13 + -3x = -4 + 0
-13 + -3x = -4

Add '13' to each side of the equation.
-13 + 13 + -3x = -4 + 13

Combine like terms: -13 + 13 = 0
0 + -3x = -4 + 13
-3x = -4 + 13

Combine like terms: -4 + 13 = 9
-3x = 9

Divide each side by '-3'.
x = -3

Simplifying
x = -3

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