8x+54=-7x-21

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Solution for 8x+54=-7x-21 equation:


Simplifying
8x + 54 = -7x + -21

Reorder the terms:
54 + 8x = -7x + -21

Reorder the terms:
54 + 8x = -21 + -7x

Solving
54 + 8x = -21 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
54 + 8x + 7x = -21 + -7x + 7x

Combine like terms: 8x + 7x = 15x
54 + 15x = -21 + -7x + 7x

Combine like terms: -7x + 7x = 0
54 + 15x = -21 + 0
54 + 15x = -21

Add '-54' to each side of the equation.
54 + -54 + 15x = -21 + -54

Combine like terms: 54 + -54 = 0
0 + 15x = -21 + -54
15x = -21 + -54

Combine like terms: -21 + -54 = -75
15x = -75

Divide each side by '15'.
x = -5

Simplifying
x = -5

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