8x-5=3x+21

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Solution for 8x-5=3x+21 equation:


Simplifying
8x + -5 = 3x + 21

Reorder the terms:
-5 + 8x = 3x + 21

Reorder the terms:
-5 + 8x = 21 + 3x

Solving
-5 + 8x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-5 + 8x + -3x = 21 + 3x + -3x

Combine like terms: 8x + -3x = 5x
-5 + 5x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-5 + 5x = 21 + 0
-5 + 5x = 21

Add '5' to each side of the equation.
-5 + 5 + 5x = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 5x = 21 + 5
5x = 21 + 5

Combine like terms: 21 + 5 = 26
5x = 26

Divide each side by '5'.
x = 5.2

Simplifying
x = 5.2

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