9x-4*20=5*20

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Solution for 9x-4*20=5*20 equation:


Simplifying
9x + -4 * 20 = 5 * 20

Multiply -4 * 20
9x + -80 = 5 * 20

Reorder the terms:
-80 + 9x = 5 * 20

Multiply 5 * 20
-80 + 9x = 100

Solving
-80 + 9x = 100

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 9x = 100 + 80

Combine like terms: -80 + 80 = 0
0 + 9x = 100 + 80
9x = 100 + 80

Combine like terms: 100 + 80 = 180
9x = 180

Divide each side by '9'.
x = 20

Simplifying
x = 20

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