(x+3)+4x=57

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Solution for (x+3)+4x=57 equation:


Simplifying
(x + 3) + 4x = 57

Reorder the terms:
(3 + x) + 4x = 57

Remove parenthesis around (3 + x)
3 + x + 4x = 57

Combine like terms: x + 4x = 5x
3 + 5x = 57

Solving
3 + 5x = 57

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5x = 57 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 57 + -3
5x = 57 + -3

Combine like terms: 57 + -3 = 54
5x = 54

Divide each side by '5'.
x = 10.8

Simplifying
x = 10.8

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