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Sagot :
Answer:
the expression is equal to 31
Step-by-step explanation:
- 3x-y2
- 3(7) - (-5)2
- 21 - (-10)
- 21 + 10 = 31
Answer:
31
Step-by-step explanation:
Substitute x and y into the equation to get..
(3×7)-(-5×2)
21- -10
31
Hope this helps :)
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