21+3-7=10x+5-7x+9x

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Solution for 21+3-7=10x+5-7x+9x equation:


Simplifying
21 + 3 + -7 = 10x + 5 + -7x + 9x

Combine like terms: 21 + 3 = 24
24 + -7 = 10x + 5 + -7x + 9x

Combine like terms: 24 + -7 = 17
17 = 10x + 5 + -7x + 9x

Reorder the terms:
17 = 5 + 10x + -7x + 9x

Combine like terms: 10x + -7x = 3x
17 = 5 + 3x + 9x

Combine like terms: 3x + 9x = 12x
17 = 5 + 12x

Solving
17 = 5 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
17 + -12x = 5 + 12x + -12x

Combine like terms: 12x + -12x = 0
17 + -12x = 5 + 0
17 + -12x = 5

Add '-17' to each side of the equation.
17 + -17 + -12x = 5 + -17

Combine like terms: 17 + -17 = 0
0 + -12x = 5 + -17
-12x = 5 + -17

Combine like terms: 5 + -17 = -12
-12x = -12

Divide each side by '-12'.
x = 1

Simplifying
x = 1

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