80 - 10 = 30 + 40
Both sides of the sum now equal 70.
Wiki User
∙ 13y agoThat word "equals" in there makes it an equation.
80 + 10 equals 90 so the missing value is zero, ie 80 + 10 = 90 - 0
-10
3
The variable is x.
That word "equals" in there makes it an equation.
60 - 20 = 20 + 20=============
80 + 10 equals 90 so the missing value is zero, ie 80 + 10 = 90 - 0
-10
3
The variable is x.
5
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12 plus 0 is 12
three plus seven equals ten
10+30=70-30
Unless I'm misunderstanding the question, 1 plus 1 plus 1 equals 3 CAN be written as a multiplication sentence: 1 times 3 equals 3.