exam Maths Puzzle Numerical Ability

Solve for x: 3^x+2 plus 3^x = 270

Please use steps

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exam Other Question

I missed class due to an illness and I don,t understand how to do this one. could you help me? Business and finance. The inventor of a new product believes that the cost of
producing the product is given by the function
C(x) _ 1.75x _ 7000
How much does it cost to produce