2(x-1)-7x=18-15(x+4)

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Solution for 2(x-1)-7x=18-15(x+4) equation:


Simplifying
2(x + -1) + -7x = 18 + -15(x + 4)

Reorder the terms:
2(-1 + x) + -7x = 18 + -15(x + 4)
(-1 * 2 + x * 2) + -7x = 18 + -15(x + 4)
(-2 + 2x) + -7x = 18 + -15(x + 4)

Combine like terms: 2x + -7x = -5x
-2 + -5x = 18 + -15(x + 4)

Reorder the terms:
-2 + -5x = 18 + -15(4 + x)
-2 + -5x = 18 + (4 * -15 + x * -15)
-2 + -5x = 18 + (-60 + -15x)

Combine like terms: 18 + -60 = -42
-2 + -5x = -42 + -15x

Solving
-2 + -5x = -42 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
-2 + -5x + 15x = -42 + -15x + 15x

Combine like terms: -5x + 15x = 10x
-2 + 10x = -42 + -15x + 15x

Combine like terms: -15x + 15x = 0
-2 + 10x = -42 + 0
-2 + 10x = -42

Add '2' to each side of the equation.
-2 + 2 + 10x = -42 + 2

Combine like terms: -2 + 2 = 0
0 + 10x = -42 + 2
10x = -42 + 2

Combine like terms: -42 + 2 = -40
10x = -40

Divide each side by '10'.
x = -4

Simplifying
x = -4

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