-5(-7+20)-19=7(7f+9)

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Solution for -5(-7+20)-19=7(7f+9) equation:


Simplifying
-5(-7 + 20) + -19 = 7(7f + 9)

Combine like terms: -7 + 20 = 13
-5(13) + -19 = 7(7f + 9)

Multiply -5 * 13
-65 + -19 = 7(7f + 9)

Combine like terms: -65 + -19 = -84
-84 = 7(7f + 9)

Reorder the terms:
-84 = 7(9 + 7f)
-84 = (9 * 7 + 7f * 7)
-84 = (63 + 49f)

Solving
-84 = 63 + 49f

Solving for variable 'f'.

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

Add '-49f' to each side of the equation.
-84 + -49f = 63 + 49f + -49f

Combine like terms: 49f + -49f = 0
-84 + -49f = 63 + 0
-84 + -49f = 63

Add '84' to each side of the equation.
-84 + 84 + -49f = 63 + 84

Combine like terms: -84 + 84 = 0
0 + -49f = 63 + 84
-49f = 63 + 84

Combine like terms: 63 + 84 = 147
-49f = 147

Divide each side by '-49'.
f = -3

Simplifying
f = -3

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