3x+28=7x-2

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


Simplifying
3x + 28 = 7x + -2

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

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

Solving
28 + 3x = -2 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
28 + 3x + -7x = -2 + 7x + -7x

Combine like terms: 3x + -7x = -4x
28 + -4x = -2 + 7x + -7x

Combine like terms: 7x + -7x = 0
28 + -4x = -2 + 0
28 + -4x = -2

Add '-28' to each side of the equation.
28 + -28 + -4x = -2 + -28

Combine like terms: 28 + -28 = 0
0 + -4x = -2 + -28
-4x = -2 + -28

Combine like terms: -2 + -28 = -30
-4x = -30

Divide each side by '-4'.
x = 7.5

Simplifying
x = 7.5

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