-10
80 - 10 = 30 + 40Both sides of the sum now equal 70.
1 plus negative 10 is equal to -9.
That word "equals" in there makes it an equation.
positive 10
-10
Yes, since 10-1 = 9
80 - 10 = 30 + 40Both sides of the sum now equal 70.
3
The expression is a single number which is equal to 7.
-10 plus 10 equals 0.
10+30=70-30
1 plus negative 10 is equal to -9.
10
48 plus 22 plus 10 plus 10 plus 9 plus 1 is equal to 100.
yess
That word "equals" in there makes it an equation.