-3f+3(-3f+5)=81

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Solution for -3f+3(-3f+5)=81 equation:


Simplifying
-3f + 3(-3f + 5) = 81

Reorder the terms:
-3f + 3(5 + -3f) = 81
-3f + (5 * 3 + -3f * 3) = 81
-3f + (15 + -9f) = 81

Reorder the terms:
15 + -3f + -9f = 81

Combine like terms: -3f + -9f = -12f
15 + -12f = 81

Solving
15 + -12f = 81

Solving for variable 'f'.

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

Add '-15' to each side of the equation.
15 + -15 + -12f = 81 + -15

Combine like terms: 15 + -15 = 0
0 + -12f = 81 + -15
-12f = 81 + -15

Combine like terms: 81 + -15 = 66
-12f = 66

Divide each side by '-12'.
f = -5.5

Simplifying
f = -5.5

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