5n + 15 =25 c. q/2 =7 d. r+5=15
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Answers
Answered by
1
Step-by-step explanation:
b. 5n+15=25
=> 5n+15=25
=> 5n=25-15
=> 5n=10
=> n=10/5
Therefore, n=2
c. q/2=7
=> q/2=7
=> q=7*2
=> q=14
d. r+5=15
=> r+5=15
=> r=15-5
=> r=10
Hope it'll help you.
Answered by
1
Step-by-step explanation:
b. 5n + 15 = 25
5n = 25-15
( it is -15 because +15 is in left side then they go on right side so that sign change)
(+ = -)
5n = 10
n=10/5
( it is in 10/5 because 5n is in multiple form then they go on right side in division form
(× = ÷)
n=2
c. q/2=7
q=7×2 (÷ = ×)
q= 14
d. r+5=15
r=15-5 (+ = -)
r=10
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