exam Maths Puzzle Numerical Ability

13x-4(2x-5)=15 solve for x

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exam Other Question

The Diaz family bought a new house 10 years ago for $80,000. The house is now worth $140,000. Assuming a steady rate of growth, what was the yearly rate of appreciation?

I appreciate any help you can give me! Solve for x and y

[ 4 1 3] * [9 -2]= [ y 5]
-2 x 1 2 1 -13 11
-1 4