-3(f-8)-(f+5)=23

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Solution for -3(f-8)-(f+5)=23 equation:


Simplifying
-3(f + -8) + -1(f + 5) = 23

Reorder the terms:
-3(-8 + f) + -1(f + 5) = 23
(-8 * -3 + f * -3) + -1(f + 5) = 23
(24 + -3f) + -1(f + 5) = 23

Reorder the terms:
24 + -3f + -1(5 + f) = 23
24 + -3f + (5 * -1 + f * -1) = 23
24 + -3f + (-5 + -1f) = 23

Reorder the terms:
24 + -5 + -3f + -1f = 23

Combine like terms: 24 + -5 = 19
19 + -3f + -1f = 23

Combine like terms: -3f + -1f = -4f
19 + -4f = 23

Solving
19 + -4f = 23

Solving for variable 'f'.

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

Add '-19' to each side of the equation.
19 + -19 + -4f = 23 + -19

Combine like terms: 19 + -19 = 0
0 + -4f = 23 + -19
-4f = 23 + -19

Combine like terms: 23 + -19 = 4
-4f = 4

Divide each side by '-4'.
f = -1

Simplifying
f = -1

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