3(f-19)-15=18

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Solution for 3(f-19)-15=18 equation:


Simplifying
3(f + -19) + -15 = 18

Reorder the terms:
3(-19 + f) + -15 = 18
(-19 * 3 + f * 3) + -15 = 18
(-57 + 3f) + -15 = 18

Reorder the terms:
-57 + -15 + 3f = 18

Combine like terms: -57 + -15 = -72
-72 + 3f = 18

Solving
-72 + 3f = 18

Solving for variable 'f'.

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

Add '72' to each side of the equation.
-72 + 72 + 3f = 18 + 72

Combine like terms: -72 + 72 = 0
0 + 3f = 18 + 72
3f = 18 + 72

Combine like terms: 18 + 72 = 90
3f = 90

Divide each side by '3'.
f = 30

Simplifying
f = 30

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