-7x-11=9x+21

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Solution for -7x-11=9x+21 equation:


Simplifying
-7x + -11 = 9x + 21

Reorder the terms:
-11 + -7x = 9x + 21

Reorder the terms:
-11 + -7x = 21 + 9x

Solving
-11 + -7x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-11 + -7x + -9x = 21 + 9x + -9x

Combine like terms: -7x + -9x = -16x
-11 + -16x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-11 + -16x = 21 + 0
-11 + -16x = 21

Add '11' to each side of the equation.
-11 + 11 + -16x = 21 + 11

Combine like terms: -11 + 11 = 0
0 + -16x = 21 + 11
-16x = 21 + 11

Combine like terms: 21 + 11 = 32
-16x = 32

Divide each side by '-16'.
x = -2

Simplifying
x = -2

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