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

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


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

Combine like terms: 7 + 8 = 15
15 = -3(7x + -5)

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

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

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

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

Solving
0 = -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
0 + 21x = -21x + 21x
Remove the zero:
21x = -21x + 21x

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

Divide each side by '21'.
x = 0

Simplifying
x = 0

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