17 + 25 + 15 = 57
s = 20
25+15=40+9=49
If 40 plus x equals 25 then x is equal to -15.
40
The answer to -5 plus -20 equals -25. This is taught in class.
24
125 + 25 - 90 + 35 - 20 = 5
The answer is 27. 10+15=25. 25+2=27.
58
5 plus 25 equals 60. Need to solve for 5 plus 25 equals ?: 2 plus 10 equals 24 is equivalent to 2 × (1 plus 5) equals 2 × (12); and 3 plus 15 equals 36 is equivalent to 3 ×(1 plus 5) equals 3 × (12); thus 5 plus 25 equals ? is equivalent to 5 × (1 plus 5) equals 5 × (12); thus ? = 5 × 12 = 60.
5x5=25. 5, 10, 15 , 20, 25.