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Chapter 8: Q 194 (page 953)

Add4s-7+5s+3.

Short Answer

Expert verified

The sum is9s-23(s-7)(s+3).

Step by step solution

01

Given Information

The Given expression is4s-7+5s+3.

02

Find the LCD of denominators.

Since there is no common factor in denominators.

The LCD is(s-7)(s+3).

03

Rewrite each fraction as an equivalent fraction with the LCD.

4(s+3)(s-7)(s+3)+5(s-7)(s-7)(s+3)

Simplify numerator.

=4s+12(s-7)(s+3)+5s-35(s-7)(s+3)

04

Add

Take common denominator and perform addition in numerator.

=4s+12+5s-35(s-7)(s+3)

=9s-23(s-7)(s+3)

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Solve Proportions

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