exam Maths Puzzle Numerical Ability

Literal Equations Solve the literal equation for x. Then use the solution to solve the specific equation.

ax=bx-c; 8x=3x-10

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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 the following system by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
2x+3y=1
5x+3y=16