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irina1246 [14]
3 years ago
8

X = −3 y = 4 and z = −5 Work out the value of x + 2y − 3z

Mathematics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

20

Step-by-step explanation:

-3+ 2(4) - 3(-5)

= -3+ 8 + 15

=20

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