13+8=-3(5x-7)

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Solution for 13+8=-3(5x-7) equation:


Simplifying
13 + 8 = -3(5x + -7)

Combine like terms: 13 + 8 = 21
21 = -3(5x + -7)

Reorder the terms:
21 = -3(-7 + 5x)
21 = (-7 * -3 + 5x * -3)
21 = (21 + -15x)

Add '-21' to each side of the equation.
21 + -21 = 21 + -21 + -15x

Combine like terms: 21 + -21 = 0
0 = 21 + -21 + -15x

Combine like terms: 21 + -21 = 0
0 = 0 + -15x
0 = -15x

Solving
0 = -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
0 + 15x = -15x + 15x
Remove the zero:
15x = -15x + 15x

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

Divide each side by '15'.
x = 0

Simplifying
x = 0

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