3x+7=28-2x

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Solution for 3x+7=28-2x equation:


Simplifying
3x + 7 = 28 + -2x

Reorder the terms:
7 + 3x = 28 + -2x

Solving
7 + 3x = 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.
7 + 3x + 2x = 28 + -2x + 2x

Combine like terms: 3x + 2x = 5x
7 + 5x = 28 + -2x + 2x

Combine like terms: -2x + 2x = 0
7 + 5x = 28 + 0
7 + 5x = 28

Add '-7' to each side of the equation.
7 + -7 + 5x = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 5x = 28 + -7
5x = 28 + -7

Combine like terms: 28 + -7 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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