4X+7=X+28

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Solution for 4X+7=X+28 equation:


Simplifying
4X + 7 = X + 28

Reorder the terms:
7 + 4X = X + 28

Reorder the terms:
7 + 4X = 28 + X

Solving
7 + 4X = 28 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
7 + 4X + -1X = 28 + X + -1X

Combine like terms: 4X + -1X = 3X
7 + 3X = 28 + X + -1X

Combine like terms: X + -1X = 0
7 + 3X = 28 + 0
7 + 3X = 28

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

Combine like terms: 7 + -7 = 0
0 + 3X = 28 + -7
3X = 28 + -7

Combine like terms: 28 + -7 = 21
3X = 21

Divide each side by '3'.
X = 7

Simplifying
X = 7

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