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bazaltina [42]
3 years ago
11

When i add 2 to my number and then multiply it bye 5 i get 30 what is my number

Mathematics
2 answers:
Ainat [17]3 years ago
8 0
(x+2)\cdot5=30\\
5x+10=30\\
5x=20\\
x=4

SSSSS [86.1K]3 years ago
7 0

4+2 equals 6, multiply by 5 to equal 30.

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Answer:

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Step-by-step explanation:

sum the parts of the ratio, 5 + 6 = 11 parts

Divide the sum by 11 to find the value of one part of the ratio.

77 ÷ 11 = 7 ← value of 1 part of the ratio , thus

6 parts = 6 × 7 = 42 ← larger number

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