SOLUTION: solve 16^x*64^2x-2=64 Solve -2*13^(3x-9)+8=-69

SOLUTION: solve 16^x64^2x-2=64 Solve -213^(3x-9)+8=-69

Question 813744: solve
16^x*64^2x-2=64
Solve -2*13^(3x-9)+8=-69
Answer by caet(3) (Show Source): You can put this solution on YOUR website!
16^x*64^2x-2=64
4^2x*4^3(2x-2)=4^3
4^2x*4^6x-6=4^3
2x+6x-6=3
8x-6=3
8x=3+6
8x=9 ,divide both sides by 8
8x/8=9/8
x=9/8

RELATED QUESTIONS
Solve equation... (answered by tommyt3rd)

-2*13^(3x-9)+8=-69 Solve the... (answered by jsmallt9)

Solve.... (answered by Alan3354)

Solve... (answered by greenestamps)

Solve: 16 = 64^x times... (answered by CubeyThePenguin)

Please help not sure how to solve this equation.... (answered by Theo,MathLover1,MathTherapy)

Solve... (answered by thesvw,MathTherapy)

exponential equations 4^3x-3=8^4x-4, 9^-X-5=27^6x-10, 125^3x-4=25^4x+2,... (answered by ewatrrr)

Solve:... (answered by tammy.oates@yahoo.com)