3(4x-3)-(x+7)=5(10+x)

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Solution for 3(4x-3)-(x+7)=5(10+x) equation:


Simplifying
3(4x + -3) + -1(x + 7) = 5(10 + x)

Reorder the terms:
3(-3 + 4x) + -1(x + 7) = 5(10 + x)
(-3 * 3 + 4x * 3) + -1(x + 7) = 5(10 + x)
(-9 + 12x) + -1(x + 7) = 5(10 + x)

Reorder the terms:
-9 + 12x + -1(7 + x) = 5(10 + x)
-9 + 12x + (7 * -1 + x * -1) = 5(10 + x)
-9 + 12x + (-7 + -1x) = 5(10 + x)

Reorder the terms:
-9 + -7 + 12x + -1x = 5(10 + x)

Combine like terms: -9 + -7 = -16
-16 + 12x + -1x = 5(10 + x)

Combine like terms: 12x + -1x = 11x
-16 + 11x = 5(10 + x)
-16 + 11x = (10 * 5 + x * 5)
-16 + 11x = (50 + 5x)

Solving
-16 + 11x = 50 + 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.
-16 + 11x + -5x = 50 + 5x + -5x

Combine like terms: 11x + -5x = 6x
-16 + 6x = 50 + 5x + -5x

Combine like terms: 5x + -5x = 0
-16 + 6x = 50 + 0
-16 + 6x = 50

Add '16' to each side of the equation.
-16 + 16 + 6x = 50 + 16

Combine like terms: -16 + 16 = 0
0 + 6x = 50 + 16
6x = 50 + 16

Combine like terms: 50 + 16 = 66
6x = 66

Divide each side by '6'.
x = 11

Simplifying
x = 11

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