15-3(2x+3)=54-2(x-1)

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Solution for 15-3(2x+3)=54-2(x-1) equation:


Simplifying
15 + -3(2x + 3) = 54 + -2(x + -1)

Reorder the terms:
15 + -3(3 + 2x) = 54 + -2(x + -1)
15 + (3 * -3 + 2x * -3) = 54 + -2(x + -1)
15 + (-9 + -6x) = 54 + -2(x + -1)

Combine like terms: 15 + -9 = 6
6 + -6x = 54 + -2(x + -1)

Reorder the terms:
6 + -6x = 54 + -2(-1 + x)
6 + -6x = 54 + (-1 * -2 + x * -2)
6 + -6x = 54 + (2 + -2x)

Combine like terms: 54 + 2 = 56
6 + -6x = 56 + -2x

Solving
6 + -6x = 56 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
6 + -6x + 2x = 56 + -2x + 2x

Combine like terms: -6x + 2x = -4x
6 + -4x = 56 + -2x + 2x

Combine like terms: -2x + 2x = 0
6 + -4x = 56 + 0
6 + -4x = 56

Add '-6' to each side of the equation.
6 + -6 + -4x = 56 + -6

Combine like terms: 6 + -6 = 0
0 + -4x = 56 + -6
-4x = 56 + -6

Combine like terms: 56 + -6 = 50
-4x = 50

Divide each side by '-4'.
x = -12.5

Simplifying
x = -12.5

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