3 years ago

HELP ME PLEEESE. I need the solution. What is the value of x?

Mathematics

1 answer:

elena-s [515]3 years ago

6 0

Answer:

x = 15

Step-by-step explanation:

create a proportion: <u> x + 10 </u> = <u> x + x + 10 </u>

5 8

cross-multiply: 8(x + 10) = 5(2x + 10)

8x + 80 = 10x + 50

80 = 2x + 50

30 = 2x

15 = x

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