21x-30=8x+36

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Solution for 21x-30=8x+36 equation:


Simplifying
21x + -30 = 8x + 36

Reorder the terms:
-30 + 21x = 8x + 36

Reorder the terms:
-30 + 21x = 36 + 8x

Solving
-30 + 21x = 36 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-30 + 21x + -8x = 36 + 8x + -8x

Combine like terms: 21x + -8x = 13x
-30 + 13x = 36 + 8x + -8x

Combine like terms: 8x + -8x = 0
-30 + 13x = 36 + 0
-30 + 13x = 36

Add '30' to each side of the equation.
-30 + 30 + 13x = 36 + 30

Combine like terms: -30 + 30 = 0
0 + 13x = 36 + 30
13x = 36 + 30

Combine like terms: 36 + 30 = 66
13x = 66

Divide each side by '13'.
x = 5.076923077

Simplifying
x = 5.076923077

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