-1+2=1 If you have a negative number and a positive number subtract them. If the negative number is higher than the other number then it is negative. To change the expression but keep the answer the same you can do 2-1=1. Take out the addition sign and switch the numbers.
Wiki User
∙ 15y agoWiki User
∙ 11y ago1 plus negative 2 is -1, because adding negative numbers makes a number lower. And vice versa, meaning that subtracting a negative number adds to the value.
Wiki User
∙ 11y ago1+-1= 0. 0+1=1 1+2=3
ps 3+4=7 7+8=15
Wiki User
∙ 7y ago-2 + -1 = -3
negative 3
Wiki User
∙ 14y ago-2 + -1 = -3
Wiki User
∙ 15y agoOne.
Wiki User
∙ 6y agonegative 1
Anonymous
3
-4 + -5 + -2 + -1 = -12 (negative 12).
The sum of -1 and -2 is -3.
Yes.example: -1+(-1)=-2
The total sum is -12 or negative twelve.
-2 + 1 = -1
-4 + -5 + -2 + -1 = -12 (negative 12).
Negative plus a negative is a negative. Ex. -1+-1=-2 Negative times a negative is a positive. -2*-2=4 But a negative [minus] plus a positive [plus] can be minus, zero or plus: For example, -3 + 2 = -1 -3 + 3 = 0 -3 + 4 = +1
negative 2
The sum of -1 and -2 is -3.
Yes.example: -1+(-1)=-2
The total sum is -12 or negative twelve.
negative -1/2+-1/2 = -1
-2 + 1 = -1
9 to negative 2 = 1/9 to plus 2 = 1/81
-3 + -2 + 4 = -1
1
Negative 3 + one is negative 2.