90 I’m sorry if I am wrong I got that in paper :)
The answer is that y is equal to -3 and x is equal to 7
2x-y=17
-2(x-y)=10 )
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2x-y=17
-2x+2y=-20
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y=-3
x-y=10
x-(-3)=10
x+3=10
-3 -3
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x=7
Josh is incorrect, he did not examine the expression correctly, therefore his answer was wrong.
Answer:
B
Step-by-step explanation: