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70

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Bailee Hand

Lvl 10
3y ago
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Wiki User

13y ago

90 + (-20) = 90 - 20 = 70

simple algebra

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Q: What is 90 plus -20?
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What 65 plus 65 plus 65 plus 90 plus 90 plus 90 plus 90 plus 50 plus 50 plus 50 plus 50 plus 50 plus 50 plus 20 plus 20 plus 20 plus 20 plus 20 plus 20 plus 20?

65 + 65 + 65 + 90 + 90 + 90 + 90 + 50 + 50 + 50 + 50 + 50 + 50 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 995


What is 20 plus 90 plus 60 plus 80?

The result of the equation - 20 plus 90 plus 60 plus 80, is found as follows; 20 + 90 + 60 + 80 = ( 20 + 90 ) + 60 + 80 = 110 + ( 60 + 80 ) = 110 + 140 = 250 Answer = 250


What is the sum of 80 plus 20 plus 90 plus 10?

the sum of 80 + 20 + 90 + 10 = 200


What is the sum of 990 plus 880 plus 50 plus 90 plus 790 plus 690 plus 20?

The sum of the equation - 990 + 880 +90 +790 +690 + 20, is found as follows;990 + 880 +90 +790 +690 + 20= (990 + 880) + (90 +790) + (690 + 20)= ( 1870 ) + (880 ) + ( 710 )= 3460Answer = 3460


125 plus 25 - 90 plus 35 - 20 equals?

125 + 25 - 90 + 35 - 20 = 5


What is 20 plus 36 plus 90?

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What is 20 plus 90 plus 60 plus 50 plus 98?

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What is the sum of 990 plus 880 plus 20 plus 90 plus 790 plus 690?

The answer = 3460


What is 1 plus 2 plus 4 plus 5 plus 8 plus 10 plus 20 plus 40 equals?

90.


What is -11 times -10 plus -20?

-11 x -10 = 110 + -20 = 90


What is 10 plus 20 plus 30 plus 40 plus 50?

10 plus 20 plus 30plus 40 plus 50 equals 150 because 50 plus 40 equals 90 plus 30 =120+20= 140 then + 10 = 150


Where would you put parentheses around the following equation 200 minus 90 plus 20 equals 10?

(200-90)+20=10