-9[-2]+4f=7f-3

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Solution for -9[-2]+4f=7f-3 equation:


Simplifying
-9[-2] + 4f = 7f + -3

Multiply -9 * -2
18 + 4f = 7f + -3

Reorder the terms:
18 + 4f = -3 + 7f

Solving
18 + 4f = -3 + 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.
18 + 4f + -7f = -3 + 7f + -7f

Combine like terms: 4f + -7f = -3f
18 + -3f = -3 + 7f + -7f

Combine like terms: 7f + -7f = 0
18 + -3f = -3 + 0
18 + -3f = -3

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

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

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

Divide each side by '-3'.
f = 7

Simplifying
f = 7

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