8f+12=7f+9

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Solution for 8f+12=7f+9 equation:


Simplifying
8f + 12 = 7f + 9

Reorder the terms:
12 + 8f = 7f + 9

Reorder the terms:
12 + 8f = 9 + 7f

Solving
12 + 8f = 9 + 7f

Solving for variable 'f'.

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

Add '-7f' to each side of the equation.
12 + 8f + -7f = 9 + 7f + -7f

Combine like terms: 8f + -7f = 1f
12 + 1f = 9 + 7f + -7f

Combine like terms: 7f + -7f = 0
12 + 1f = 9 + 0
12 + 1f = 9

Add '-12' to each side of the equation.
12 + -12 + 1f = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 1f = 9 + -12
1f = 9 + -12

Combine like terms: 9 + -12 = -3
1f = -3

Divide each side by '1'.
f = -3

Simplifying
f = -3

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