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

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


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

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

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

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

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

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

Solving
-7 + -1x = 2 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-7 + -1x + 7x = 2 + -7x + 7x

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

Combine like terms: -7x + 7x = 0
-7 + 6x = 2 + 0
-7 + 6x = 2

Add '7' to each side of the equation.
-7 + 7 + 6x = 2 + 7

Combine like terms: -7 + 7 = 0
0 + 6x = 2 + 7
6x = 2 + 7

Combine like terms: 2 + 7 = 9
6x = 9

Divide each side by '6'.
x = 1.5

Simplifying
x = 1.5

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