Math, asked by pspremendrasingh, 10 months ago

solve'x' if 9^x+2=240+9^x​

Answers

Answered by rajsingh24
2

Answer:

hey \: mate \: your \: answer \: is \:  \\ 9x + 2 = 240 + 9x   \\  = 9x - 9x = 240 - 2 \\  = 0x = 220 \\  = x = 220 \\ hope \: its \: helps.................

Answered by KrishnaKaranwal
0

Answer:

0.5

Step-by-step explanation:

9^(x + 2) = 240 + 9^x

9^x.9² = 240 + 9^x

81.9^x = 240 + 9^x

81.9^x-9^x=240

9^x(81 - 1) = 240

9^x .80 = 240

9^x = 3

3^2x = 3¹

[ use, x^m = x^n then, m = n ]

2x = 1

x = 1/2

  =0.5

Similar questions