3(4f-7)=135

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Solution for 3(4f-7)=135 equation:


Simplifying
3(4f + -7) = 135

Reorder the terms:
3(-7 + 4f) = 135
(-7 * 3 + 4f * 3) = 135
(-21 + 12f) = 135

Solving
-21 + 12f = 135

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 + 12f = 135 + 21

Combine like terms: -21 + 21 = 0
0 + 12f = 135 + 21
12f = 135 + 21

Combine like terms: 135 + 21 = 156
12f = 156

Divide each side by '12'.
f = 13

Simplifying
f = 13

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