7x-4+9x-40=180

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Solution for 7x-4+9x-40=180 equation:


Simplifying
7x + -4 + 9x + -40 = 180

Reorder the terms:
-4 + -40 + 7x + 9x = 180

Combine like terms: -4 + -40 = -44
-44 + 7x + 9x = 180

Combine like terms: 7x + 9x = 16x
-44 + 16x = 180

Solving
-44 + 16x = 180

Solving for variable 'x'.

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

Add '44' to each side of the equation.
-44 + 44 + 16x = 180 + 44

Combine like terms: -44 + 44 = 0
0 + 16x = 180 + 44
16x = 180 + 44

Combine like terms: 180 + 44 = 224
16x = 224

Divide each side by '16'.
x = 14

Simplifying
x = 14

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