7X-8=3(X+4)

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Solution for 7X-8=3(X+4) equation:


Simplifying
7X + -8 = 3(X + 4)

Reorder the terms:
-8 + 7X = 3(X + 4)

Reorder the terms:
-8 + 7X = 3(4 + X)
-8 + 7X = (4 * 3 + X * 3)
-8 + 7X = (12 + 3X)

Solving
-8 + 7X = 12 + 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.
-8 + 7X + -3X = 12 + 3X + -3X

Combine like terms: 7X + -3X = 4X
-8 + 4X = 12 + 3X + -3X

Combine like terms: 3X + -3X = 0
-8 + 4X = 12 + 0
-8 + 4X = 12

Add '8' to each side of the equation.
-8 + 8 + 4X = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 4X = 12 + 8
4X = 12 + 8

Combine like terms: 12 + 8 = 20
4X = 20

Divide each side by '4'.
X = 5

Simplifying
X = 5

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