-19=-7+9(f-4)

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Solution for -19=-7+9(f-4) equation:


Simplifying
-19 = -7 + 9(f + -4)

Reorder the terms:
-19 = -7 + 9(-4 + f)
-19 = -7 + (-4 * 9 + f * 9)
-19 = -7 + (-36 + 9f)

Combine like terms: -7 + -36 = -43
-19 = -43 + 9f

Solving
-19 = -43 + 9f

Solving for variable 'f'.

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

Add '-9f' to each side of the equation.
-19 + -9f = -43 + 9f + -9f

Combine like terms: 9f + -9f = 0
-19 + -9f = -43 + 0
-19 + -9f = -43

Add '19' to each side of the equation.
-19 + 19 + -9f = -43 + 19

Combine like terms: -19 + 19 = 0
0 + -9f = -43 + 19
-9f = -43 + 19

Combine like terms: -43 + 19 = -24
-9f = -24

Divide each side by '-9'.
f = 2.666666667

Simplifying
f = 2.666666667

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