65-3x=8x+21

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Solution for 65-3x=8x+21 equation:


Simplifying
65 + -3x = 8x + 21

Reorder the terms:
65 + -3x = 21 + 8x

Solving
65 + -3x = 21 + 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.
65 + -3x + -8x = 21 + 8x + -8x

Combine like terms: -3x + -8x = -11x
65 + -11x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
65 + -11x = 21 + 0
65 + -11x = 21

Add '-65' to each side of the equation.
65 + -65 + -11x = 21 + -65

Combine like terms: 65 + -65 = 0
0 + -11x = 21 + -65
-11x = 21 + -65

Combine like terms: 21 + -65 = -44
-11x = -44

Divide each side by '-11'.
x = 4

Simplifying
x = 4

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