87=7f+10

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Solution for 87=7f+10 equation:


Simplifying
87 = 7f + 10

Reorder the terms:
87 = 10 + 7f

Solving
87 = 10 + 7f

Solving for variable 'f'.

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

Add '-7f' to each side of the equation.
87 + -7f = 10 + 7f + -7f

Combine like terms: 7f + -7f = 0
87 + -7f = 10 + 0
87 + -7f = 10

Add '-87' to each side of the equation.
87 + -87 + -7f = 10 + -87

Combine like terms: 87 + -87 = 0
0 + -7f = 10 + -87
-7f = 10 + -87

Combine like terms: 10 + -87 = -77
-7f = -77

Divide each side by '-7'.
f = 11

Simplifying
f = 11

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