20+9(-2f+18)=-2(-11f+9)

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Solution for 20+9(-2f+18)=-2(-11f+9) equation:


Simplifying
20 + 9(-2f + 18) = -2(-11f + 9)

Reorder the terms:
20 + 9(18 + -2f) = -2(-11f + 9)
20 + (18 * 9 + -2f * 9) = -2(-11f + 9)
20 + (162 + -18f) = -2(-11f + 9)

Combine like terms: 20 + 162 = 182
182 + -18f = -2(-11f + 9)

Reorder the terms:
182 + -18f = -2(9 + -11f)
182 + -18f = (9 * -2 + -11f * -2)
182 + -18f = (-18 + 22f)

Solving
182 + -18f = -18 + 22f

Solving for variable 'f'.

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

Add '-22f' to each side of the equation.
182 + -18f + -22f = -18 + 22f + -22f

Combine like terms: -18f + -22f = -40f
182 + -40f = -18 + 22f + -22f

Combine like terms: 22f + -22f = 0
182 + -40f = -18 + 0
182 + -40f = -18

Add '-182' to each side of the equation.
182 + -182 + -40f = -18 + -182

Combine like terms: 182 + -182 = 0
0 + -40f = -18 + -182
-40f = -18 + -182

Combine like terms: -18 + -182 = -200
-40f = -200

Divide each side by '-40'.
f = 5

Simplifying
f = 5

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