exam Maths Puzzle Numerical Ability

Solve the system by graphing

x-y=5
x+y=3

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exam Other Question

Please help. The instructions are: Perform the indicated operation and then simplify if possible. Assume that variables represent positive numbers only. The problem is:

The four Tutor can you help me: What is the slope, x-intercept, and y-intercept of the following line?
3x + 4y = 9
Thank you