3(3f+1)=7(2f+9)

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Solution for 3(3f+1)=7(2f+9) equation:


Simplifying
3(3f + 1) = 7(2f + 9)

Reorder the terms:
3(1 + 3f) = 7(2f + 9)
(1 * 3 + 3f * 3) = 7(2f + 9)
(3 + 9f) = 7(2f + 9)

Reorder the terms:
3 + 9f = 7(9 + 2f)
3 + 9f = (9 * 7 + 2f * 7)
3 + 9f = (63 + 14f)

Solving
3 + 9f = 63 + 14f

Solving for variable 'f'.

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

Add '-14f' to each side of the equation.
3 + 9f + -14f = 63 + 14f + -14f

Combine like terms: 9f + -14f = -5f
3 + -5f = 63 + 14f + -14f

Combine like terms: 14f + -14f = 0
3 + -5f = 63 + 0
3 + -5f = 63

Add '-3' to each side of the equation.
3 + -3 + -5f = 63 + -3

Combine like terms: 3 + -3 = 0
0 + -5f = 63 + -3
-5f = 63 + -3

Combine like terms: 63 + -3 = 60
-5f = 60

Divide each side by '-5'.
f = -12

Simplifying
f = -12

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