exam Maths Puzzle Numerical Ability

I dont understand how to solve this and my teacher said that i can put in the graphing calculator to solve it but i dont understand that either

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exam Other Question

Write the equation of the line through [-17/3, 8/5] that is parallel to the x-axis.
* -17/3x+8/5y=0
* y=-17/3x+8/5
* x=-17/3
* y=8/5
Solve for q:
h=qbm