Geo777
30.10.2020 •
Mathematics
Which equation has the solution x = 9?
Select each correct answer.
2x−3=15
81x−3=6
24−2x=13
3x + 2 = 25
x3+7=8
4 + 5x = 18
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Ответ:
2x-3=15
Add 3 to both sides (this will cancel out the -3)
2x=18
Divide by two on each side (this will cancel out the 2)
X=18
Ответ:
step1: x*5=45*7
step2: x=315/5
step3: x=63