-21-8x=7x+24

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Solution for -21-8x=7x+24 equation:


Simplifying
-21 + -8x = 7x + 24

Reorder the terms:
-21 + -8x = 24 + 7x

Solving
-21 + -8x = 24 + 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.
-21 + -8x + -7x = 24 + 7x + -7x

Combine like terms: -8x + -7x = -15x
-21 + -15x = 24 + 7x + -7x

Combine like terms: 7x + -7x = 0
-21 + -15x = 24 + 0
-21 + -15x = 24

Add '21' to each side of the equation.
-21 + 21 + -15x = 24 + 21

Combine like terms: -21 + 21 = 0
0 + -15x = 24 + 21
-15x = 24 + 21

Combine like terms: 24 + 21 = 45
-15x = 45

Divide each side by '-15'.
x = -3

Simplifying
x = -3

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