-7(f-10)=3f+42

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Solution for -7(f-10)=3f+42 equation:


Simplifying
-7(f + -10) = 3f + 42

Reorder the terms:
-7(-10 + f) = 3f + 42
(-10 * -7 + f * -7) = 3f + 42
(70 + -7f) = 3f + 42

Reorder the terms:
70 + -7f = 42 + 3f

Solving
70 + -7f = 42 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
70 + -7f + -3f = 42 + 3f + -3f

Combine like terms: -7f + -3f = -10f
70 + -10f = 42 + 3f + -3f

Combine like terms: 3f + -3f = 0
70 + -10f = 42 + 0
70 + -10f = 42

Add '-70' to each side of the equation.
70 + -70 + -10f = 42 + -70

Combine like terms: 70 + -70 = 0
0 + -10f = 42 + -70
-10f = 42 + -70

Combine like terms: 42 + -70 = -28
-10f = -28

Divide each side by '-10'.
f = 2.8

Simplifying
f = 2.8

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