-20=7x+4x-9

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Solution for -20=7x+4x-9 equation:


Simplifying
-20 = 7x + 4x + -9

Reorder the terms:
-20 = -9 + 7x + 4x

Combine like terms: 7x + 4x = 11x
-20 = -9 + 11x

Solving
-20 = -9 + 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.
-20 + -11x = -9 + 11x + -11x

Combine like terms: 11x + -11x = 0
-20 + -11x = -9 + 0
-20 + -11x = -9

Add '20' to each side of the equation.
-20 + 20 + -11x = -9 + 20

Combine like terms: -20 + 20 = 0
0 + -11x = -9 + 20
-11x = -9 + 20

Combine like terms: -9 + 20 = 11
-11x = 11

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

Simplifying
x = -1

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