3 years ago

Evaluate -2a + b for a = -7 and b =-5

Mathematics

2 answers:

brilliants [131]3 years ago

8 0

Answer:

Step-by-step explanation:

-2a + b

-2 (-7) + -5

14 + -5

expeople1 [14]3 years ago

5 0

Insert the variables values in to equation -2(-7)+-5
Simplify
14+(-5)
Which is just 14-5
Therefore the answer is
9

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