(7X+9)-(11X-7)=8

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Solution for (7X+9)-(11X-7)=8 equation:


Simplifying
(7X + 9) + -1(11X + -7) = 8

Reorder the terms:
(9 + 7X) + -1(11X + -7) = 8

Remove parenthesis around (9 + 7X)
9 + 7X + -1(11X + -7) = 8

Reorder the terms:
9 + 7X + -1(-7 + 11X) = 8
9 + 7X + (-7 * -1 + 11X * -1) = 8
9 + 7X + (7 + -11X) = 8

Reorder the terms:
9 + 7 + 7X + -11X = 8

Combine like terms: 9 + 7 = 16
16 + 7X + -11X = 8

Combine like terms: 7X + -11X = -4X
16 + -4X = 8

Solving
16 + -4X = 8

Solving for variable 'X'.

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

Add '-16' to each side of the equation.
16 + -16 + -4X = 8 + -16

Combine like terms: 16 + -16 = 0
0 + -4X = 8 + -16
-4X = 8 + -16

Combine like terms: 8 + -16 = -8
-4X = -8

Divide each side by '-4'.
X = 2

Simplifying
X = 2

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