2(x-1)-7=18-5(x+4)

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Solution for 2(x-1)-7=18-5(x+4) equation:


Simplifying
2(x + -1) + -7 = 18 + -5(x + 4)

Reorder the terms:
2(-1 + x) + -7 = 18 + -5(x + 4)
(-1 * 2 + x * 2) + -7 = 18 + -5(x + 4)
(-2 + 2x) + -7 = 18 + -5(x + 4)

Reorder the terms:
-2 + -7 + 2x = 18 + -5(x + 4)

Combine like terms: -2 + -7 = -9
-9 + 2x = 18 + -5(x + 4)

Reorder the terms:
-9 + 2x = 18 + -5(4 + x)
-9 + 2x = 18 + (4 * -5 + x * -5)
-9 + 2x = 18 + (-20 + -5x)

Combine like terms: 18 + -20 = -2
-9 + 2x = -2 + -5x

Solving
-9 + 2x = -2 + -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.
-9 + 2x + 5x = -2 + -5x + 5x

Combine like terms: 2x + 5x = 7x
-9 + 7x = -2 + -5x + 5x

Combine like terms: -5x + 5x = 0
-9 + 7x = -2 + 0
-9 + 7x = -2

Add '9' to each side of the equation.
-9 + 9 + 7x = -2 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = -2 + 9
7x = -2 + 9

Combine like terms: -2 + 9 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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