2007-01-26 05:43:14 · 12 answers · asked by Olivia 4 in Science & Mathematics ➔ Mathematics
(- 4 + 2) - 3(2 - 7)
First: use the order of operations > PEMDAS >
( ), exponents, multiplication, division, addition and subtraction...
(-2) - 3(-5)
- 2 - (-15)
- 2 + 15
= 13
2007-01-26 05:50:50 · answer #1 · answered by ♪♥Annie♥♪ 6 · 1⤊ 1⤋
(-4 + 2) – 3(2 – 7) =
-2 -6 + 21 = -8 + 21 = 13
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2007-01-26 05:54:44 · answer #2 · answered by aeiou 7 · 1⤊ 0⤋
-4+2-6+21=13
2007-01-26 05:48:58 · answer #3 · answered by excalibur_gordon 2 · 1⤊ 0⤋
(-4 + 2) - 6+ 21
-10+23
= 13
2007-01-26 05:54:36 · answer #4 · answered by jessica 2 · 1⤊ 0⤋
= (-4 + 2) - 3(2-7)
= -2 - 3(-5)
= -2 + 15
= 13
2007-01-26 05:51:35 · answer #5 · answered by 2 · 1⤊ 0⤋
(-2) - 6 + 21 = -8 + 21 = 13
2007-01-26 05:59:53 · answer #6 · answered by Anonymous · 1⤊ 0⤋
(-4 + 2) – 3(2 – 7)
-4+2-6+21
-2-6+21
-8+21
13
2007-01-26 05:54:11 · answer #7 · answered by 7 · 1⤊ 0⤋
-2-3(-5)=-2+15=13
2007-01-26 05:49:59 · answer #8 · answered by Jim L 2 · 1⤊ 0⤋
(-4+2)-3(2-7)
first u add and subract the numbers inside the prenthases
(-2)-3(-5)
then u multiply 3 and 5
-2 +15
then u add the two last numbers
13
2007-01-26 05:55:11 · answer #9 · answered by lubna h 1 · 1⤊ 0⤋
-4+2-6+21=your answer
2007-01-26 05:47:21 · answer #10 · answered by Professor Maddie 4 · 1⤊ 0⤋