# Solving Equations

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Solving by equation

x = 3x - 5

x/3 = 6

y/3 + 5 = 8

-8 = 2x/9

Find f(1) for f(x) = x3 + x2 - 1

A function gives the value of C as 2 Â´ (22/7) Â´ r. Find C when r = 14 cm and r = 70 cm.

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#### Solution Preview

x = 3x - 5

Solve:

x = 3x - 5

x - 3x = -5

-2x = -5

x = 5/2 = 2.5

x/3 = 6

Solve:

x/3 = 6

x = 6*3

x = 18

y/3 + ...

#### Solution Summary

The expert examines solving equations functions.

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