Substitute these values into each expression x=4 , y=7 ,z=2
A. x + y + z
b. 2x - y + 3z
c. 4y + 2z - x
d. x\2 + 7y + 5x
Answers
Answered by
5
A) 4 + 7 + 2 = 13
B) 2(4) - 7 + 3(2) = 8 - 7 + 6 = 7
C) 4(7) + 2(2) - 4 =21 + 4 - 4 = 21
D) 4/2 + 7(7) +5(4) = 2 + 49 + 20 = 71
Answered by
2
Answer:
A- 4+7+2= 13
b- 2×4-7+3×2= 7
c- 4×7+2×2-4= 28
d- 4/2+7×7+5×4= 71
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