find the value of x , 9^x+2 = 240 + 9^x
Answers
Answered by
5
Answer:
1/2 or 0.5
Step-by-step explanation:
= (9^x).81 = 240 + (9^x)
= (9^x).80 = 240
= (9^x) = 3
x = 1/2
Answered by
4
Answer:
x=0.5
Step-by-step explanation:
9^x+2=240+9^x
9^x+2-9^x=240
9^x(81-1)=240
9^x=3
3^2x=3^1
2x=1
x=0.5
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