21x+17=2x+72+8x

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Solution for 21x+17=2x+72+8x equation:


Simplifying
21x + 17 = 2x + 72 + 8x

Reorder the terms:
17 + 21x = 2x + 72 + 8x

Reorder the terms:
17 + 21x = 72 + 2x + 8x

Combine like terms: 2x + 8x = 10x
17 + 21x = 72 + 10x

Solving
17 + 21x = 72 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
17 + 21x + -10x = 72 + 10x + -10x

Combine like terms: 21x + -10x = 11x
17 + 11x = 72 + 10x + -10x

Combine like terms: 10x + -10x = 0
17 + 11x = 72 + 0
17 + 11x = 72

Add '-17' to each side of the equation.
17 + -17 + 11x = 72 + -17

Combine like terms: 17 + -17 = 0
0 + 11x = 72 + -17
11x = 72 + -17

Combine like terms: 72 + -17 = 55
11x = 55

Divide each side by '11'.
x = 5

Simplifying
x = 5

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