57-(4x+9)=4(x+3)+x

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Solution for 57-(4x+9)=4(x+3)+x equation:


Simplifying
57 + -1(4x + 9) = 4(x + 3) + x

Reorder the terms:
57 + -1(9 + 4x) = 4(x + 3) + x
57 + (9 * -1 + 4x * -1) = 4(x + 3) + x
57 + (-9 + -4x) = 4(x + 3) + x

Combine like terms: 57 + -9 = 48
48 + -4x = 4(x + 3) + x

Reorder the terms:
48 + -4x = 4(3 + x) + x
48 + -4x = (3 * 4 + x * 4) + x
48 + -4x = (12 + 4x) + x

Combine like terms: 4x + x = 5x
48 + -4x = 12 + 5x

Solving
48 + -4x = 12 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
48 + -4x + -5x = 12 + 5x + -5x

Combine like terms: -4x + -5x = -9x
48 + -9x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
48 + -9x = 12 + 0
48 + -9x = 12

Add '-48' to each side of the equation.
48 + -48 + -9x = 12 + -48

Combine like terms: 48 + -48 = 0
0 + -9x = 12 + -48
-9x = 12 + -48

Combine like terms: 12 + -48 = -36
-9x = -36

Divide each side by '-9'.
x = 4

Simplifying
x = 4

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