x=2 y=-3 z-1
a) 3x-5y+2z
Answers
Answered by
3
Answer:
By substituting the value.
Step-by-step explanation:
= 3(2) - 5(-3) + 2(-1)
= 6 + 15 - 2
= 21 - 2
= 19
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Answered by
3
Answer:
3×2-5×-3+2×-1
=6+15-2
=21-2
=19
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