3(f-7)=-18

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Solution for 3(f-7)=-18 equation: 


Simplifying
3(f + -7) = -18

Reorder the terms:
3(-7 + f) = -18
(-7 * 3 + f * 3) = -18
(-21 + 3f) = -18

Solving
-21 + 3f = -18

Solving for variable 'f'.

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

Add '21' to each side of the equation.
-21 + 21 + 3f = -18 + 21

Combine like terms: -21 + 21 = 0
0 + 3f = -18 + 21
3f = -18 + 21

Combine like terms: -18 + 21 = 3
3f = 3

Divide each side by '3'.
f = 1

Simplifying
f = 1

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