21x-30=29x+30

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Solution for 21x-30=29x+30 equation:


Simplifying
21x + -30 = 29x + 30

Reorder the terms:
-30 + 21x = 29x + 30

Reorder the terms:
-30 + 21x = 30 + 29x

Solving
-30 + 21x = 30 + 29x

Solving for variable 'x'.

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

Add '-29x' to each side of the equation.
-30 + 21x + -29x = 30 + 29x + -29x

Combine like terms: 21x + -29x = -8x
-30 + -8x = 30 + 29x + -29x

Combine like terms: 29x + -29x = 0
-30 + -8x = 30 + 0
-30 + -8x = 30

Add '30' to each side of the equation.
-30 + 30 + -8x = 30 + 30

Combine like terms: -30 + 30 = 0
0 + -8x = 30 + 30
-8x = 30 + 30

Combine like terms: 30 + 30 = 60
-8x = 60

Divide each side by '-8'.
x = -7.5

Simplifying
x = -7.5

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