7(f-45)=21

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Solution for 7(f-45)=21 equation:


Simplifying
7(f + -45) = 21

Reorder the terms:
7(-45 + f) = 21
(-45 * 7 + f * 7) = 21
(-315 + 7f) = 21

Solving
-315 + 7f = 21

Solving for variable 'f'.

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

Add '315' to each side of the equation.
-315 + 315 + 7f = 21 + 315

Combine like terms: -315 + 315 = 0
0 + 7f = 21 + 315
7f = 21 + 315

Combine like terms: 21 + 315 = 336
7f = 336

Divide each side by '7'.
f = 48

Simplifying
f = 48

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