-140-9x=7x+20

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Solution for -140-9x=7x+20 equation:


Simplifying
-140 + -9x = 7x + 20

Reorder the terms:
-140 + -9x = 20 + 7x

Solving
-140 + -9x = 20 + 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.
-140 + -9x + -7x = 20 + 7x + -7x

Combine like terms: -9x + -7x = -16x
-140 + -16x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-140 + -16x = 20 + 0
-140 + -16x = 20

Add '140' to each side of the equation.
-140 + 140 + -16x = 20 + 140

Combine like terms: -140 + 140 = 0
0 + -16x = 20 + 140
-16x = 20 + 140

Combine like terms: 20 + 140 = 160
-16x = 160

Divide each side by '-16'.
x = -10

Simplifying
x = -10

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