7(6-2x)+3x=3(3+x)-(2x+9)

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Solution for 7(6-2x)+3x=3(3+x)-(2x+9) equation:


Simplifying
7(6 + -2x) + 3x = 3(3 + x) + -1(2x + 9)
(6 * 7 + -2x * 7) + 3x = 3(3 + x) + -1(2x + 9)
(42 + -14x) + 3x = 3(3 + x) + -1(2x + 9)

Combine like terms: -14x + 3x = -11x
42 + -11x = 3(3 + x) + -1(2x + 9)
42 + -11x = (3 * 3 + x * 3) + -1(2x + 9)
42 + -11x = (9 + 3x) + -1(2x + 9)

Reorder the terms:
42 + -11x = 9 + 3x + -1(9 + 2x)
42 + -11x = 9 + 3x + (9 * -1 + 2x * -1)
42 + -11x = 9 + 3x + (-9 + -2x)

Reorder the terms:
42 + -11x = 9 + -9 + 3x + -2x

Combine like terms: 9 + -9 = 0
42 + -11x = 0 + 3x + -2x
42 + -11x = 3x + -2x

Combine like terms: 3x + -2x = 1x
42 + -11x = 1x

Solving
42 + -11x = 1x

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.
42 + -11x + -1x = 1x + -1x

Combine like terms: -11x + -1x = -12x
42 + -12x = 1x + -1x

Combine like terms: 1x + -1x = 0
42 + -12x = 0

Add '-42' to each side of the equation.
42 + -42 + -12x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -12x = 0 + -42
-12x = 0 + -42

Combine like terms: 0 + -42 = -42
-12x = -42

Divide each side by '-12'.
x = 3.5

Simplifying
x = 3.5

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