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42 - 5z + 3 (x+y) when x=4 y=9 z=7
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4 votes
42 - 5z + 3 (x+y) when x=4 y=9 z=7

User Konchy
by
7.5k points

2 Answers

5 votes
45-5(7)+3(4+9)
45-35 + 3(13)
10+39
49
User Georgesamper
by
7.9k points
3 votes
42 - 5z + 3(x+y)

42 - 5(7) + 3(4+9)

42 - 35 + 3(13)

42 - 35 + 39

7 + 39

= 46
User CyberAleks
by
7.8k points
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