4x-8=3(7+x)

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


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

Reorder the terms:
-8 + 4x = 3(7 + x)
-8 + 4x = (7 * 3 + x * 3)
-8 + 4x = (21 + 3x)

Solving
-8 + 4x = 21 + 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 + 4x + -3x = 21 + 3x + -3x

Combine like terms: 4x + -3x = 1x
-8 + 1x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 + 1x = 21 + 0
-8 + 1x = 21

Add '8' to each side of the equation.
-8 + 8 + 1x = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 1x = 21 + 8
1x = 21 + 8

Combine like terms: 21 + 8 = 29
1x = 29

Divide each side by '1'.
x = 29

Simplifying
x = 29

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