exam Maths Puzzle Numerical Ability

Please help me solve correctly and show algebraic support.

(X + 4)^(1/2) = X-6

I am so lost. Thank you so much.

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exam Other Question

Solve the following equations. Round to 4 decimal places when necessary.

a. log3 x=8

b. 27^2x+2=81^x-3

c. log2 (3x+2)=3

d. e^3x=80

e. logx 729/4096=6

f. log5 325 Christine inherits $10,000. She invests part in a CD that makes 15% per year and the rest in a bond that made 7% per year. Her total profit after two years is $2,600. How much d