2(x+5)+105=7x-(x-9)

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Solution for 2(x+5)+105=7x-(x-9) equation:


Simplifying
2(x + 5) + 105 = 7x + -1(x + -9)

Reorder the terms:
2(5 + x) + 105 = 7x + -1(x + -9)
(5 * 2 + x * 2) + 105 = 7x + -1(x + -9)
(10 + 2x) + 105 = 7x + -1(x + -9)

Reorder the terms:
10 + 105 + 2x = 7x + -1(x + -9)

Combine like terms: 10 + 105 = 115
115 + 2x = 7x + -1(x + -9)

Reorder the terms:
115 + 2x = 7x + -1(-9 + x)
115 + 2x = 7x + (-9 * -1 + x * -1)
115 + 2x = 7x + (9 + -1x)

Reorder the terms:
115 + 2x = 9 + 7x + -1x

Combine like terms: 7x + -1x = 6x
115 + 2x = 9 + 6x

Solving
115 + 2x = 9 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
115 + 2x + -6x = 9 + 6x + -6x

Combine like terms: 2x + -6x = -4x
115 + -4x = 9 + 6x + -6x

Combine like terms: 6x + -6x = 0
115 + -4x = 9 + 0
115 + -4x = 9

Add '-115' to each side of the equation.
115 + -115 + -4x = 9 + -115

Combine like terms: 115 + -115 = 0
0 + -4x = 9 + -115
-4x = 9 + -115

Combine like terms: 9 + -115 = -106
-4x = -106

Divide each side by '-4'.
x = 26.5

Simplifying
x = 26.5

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