5(7f+8)=20

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Solution for 5(7f+8)=20 equation:


Simplifying
5(7f + 8) = 20

Reorder the terms:
5(8 + 7f) = 20
(8 * 5 + 7f * 5) = 20
(40 + 35f) = 20

Solving
40 + 35f = 20

Solving for variable 'f'.

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

Add '-40' to each side of the equation.
40 + -40 + 35f = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 35f = 20 + -40
35f = 20 + -40

Combine like terms: 20 + -40 = -20
35f = -20

Divide each side by '35'.
f = -0.5714285714

Simplifying
f = -0.5714285714

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