3 years ago

2 points

Mathematics

2 answers:

Marrrta [24]3 years ago

6 0

Answer:

5x+32=45;x=2.6

Step-by-step explanation:

5x+17+15=45

5x+32=45

5x=13

x=2.6

Ludmilka [50]3 years ago

5 0

Answer:

x=2.6 is required equation.

perimeter of triangle=45

sum of all sides=45

5x+17+15=45

5x=45-32

5x=13

x=13/5=2.6

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