Mathematics: What is the first step in evaluating this expression? 15 + 20 ÷ (10 – 7) + 12 a Subtract 7 from 10. b Divide 20 by 10. c Add 15 and 20. d Add 7 and 12.

What is the first step in evaluating this expression?

Ответ:

nisha87

03.02.2022

Mathematics

Thw answer is a
parenthesis first then the rest

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hsbhxsb

12.07.2021

Mathematics

Alright, so we start off my subtracting 4a from both sides, separating the x and getting 10-4a=2x. Next, we divide both sides by 2, getting that 5-2a=X

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What is the first step in evaluating this expression? 15 + 20 ÷ (10 – 7) + 12

a
Subtract 7 from 10.
b
Divide 20 by 10.
c
Add 15 and 20.
d
Add 7 and 12.

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