{(71+21)-(-30+20)} subtract the sum step by step
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{(71+21)-(-30+20)} subtract the sum step by step
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Answer:
= 71 + 21 + 30 -20 (by opening the bracket)
= 122 - 20
= 102.
Step-by-step explanation:
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Answer:
Here's your answer mate :)
Step-by-step explanation:
{(71 + 21) - (-30 + 20)}
= 71 + 21 -(-30) -(+20)
= 71 + 21 + 30 - 20...{minus is multiplied by the bracket so minus multiplied by minus is plus so, +30 and minus multiplied by plus is minus so, -20}
= 92 + 30 - 20
= 122 - 20
= 102