3x-2+5x=7+2x+21

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Solution for 3x-2+5x=7+2x+21 equation:


Simplifying
3x + -2 + 5x = 7 + 2x + 21

Reorder the terms:
-2 + 3x + 5x = 7 + 2x + 21

Combine like terms: 3x + 5x = 8x
-2 + 8x = 7 + 2x + 21

Reorder the terms:
-2 + 8x = 7 + 21 + 2x

Combine like terms: 7 + 21 = 28
-2 + 8x = 28 + 2x

Solving
-2 + 8x = 28 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-2 + 8x + -2x = 28 + 2x + -2x

Combine like terms: 8x + -2x = 6x
-2 + 6x = 28 + 2x + -2x

Combine like terms: 2x + -2x = 0
-2 + 6x = 28 + 0
-2 + 6x = 28

Add '2' to each side of the equation.
-2 + 2 + 6x = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 6x = 28 + 2
6x = 28 + 2

Combine like terms: 28 + 2 = 30
6x = 30

Divide each side by '6'.
x = 5

Simplifying
x = 5

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