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

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Solution for 3(4-x)-(4x+1)=9-3(x+3) equation:


Simplifying
3(4 + -1x) + -1(4x + 1) = 9 + -3(x + 3)
(4 * 3 + -1x * 3) + -1(4x + 1) = 9 + -3(x + 3)
(12 + -3x) + -1(4x + 1) = 9 + -3(x + 3)

Reorder the terms:
12 + -3x + -1(1 + 4x) = 9 + -3(x + 3)
12 + -3x + (1 * -1 + 4x * -1) = 9 + -3(x + 3)
12 + -3x + (-1 + -4x) = 9 + -3(x + 3)

Reorder the terms:
12 + -1 + -3x + -4x = 9 + -3(x + 3)

Combine like terms: 12 + -1 = 11
11 + -3x + -4x = 9 + -3(x + 3)

Combine like terms: -3x + -4x = -7x
11 + -7x = 9 + -3(x + 3)

Reorder the terms:
11 + -7x = 9 + -3(3 + x)
11 + -7x = 9 + (3 * -3 + x * -3)
11 + -7x = 9 + (-9 + -3x)

Combine like terms: 9 + -9 = 0
11 + -7x = 0 + -3x
11 + -7x = -3x

Solving
11 + -7x = -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.
11 + -7x + 3x = -3x + 3x

Combine like terms: -7x + 3x = -4x
11 + -4x = -3x + 3x

Combine like terms: -3x + 3x = 0
11 + -4x = 0

Add '-11' to each side of the equation.
11 + -11 + -4x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -4x = 0 + -11
-4x = 0 + -11

Combine like terms: 0 + -11 = -11
-4x = -11

Divide each side by '-4'.
x = 2.75

Simplifying
x = 2.75

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