9+-2=3+4x+7x+15

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Solution for 9+-2=3+4x+7x+15 equation:


Simplifying
9 + -2 = 3 + 4x + 7x + 15

Combine like terms: 9 + -2 = 7
7 = 3 + 4x + 7x + 15

Reorder the terms:
7 = 3 + 15 + 4x + 7x

Combine like terms: 3 + 15 = 18
7 = 18 + 4x + 7x

Combine like terms: 4x + 7x = 11x
7 = 18 + 11x

Solving
7 = 18 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
7 + -11x = 18 + 11x + -11x

Combine like terms: 11x + -11x = 0
7 + -11x = 18 + 0
7 + -11x = 18

Add '-7' to each side of the equation.
7 + -7 + -11x = 18 + -7

Combine like terms: 7 + -7 = 0
0 + -11x = 18 + -7
-11x = 18 + -7

Combine like terms: 18 + -7 = 11
-11x = 11

Divide each side by '-11'.
x = -1

Simplifying
x = -1

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