3 + 6 + m + 12 + 5 = 30
9 + m + 17 = 30
m + 26 = 30
m = 30 - 26 = 4
-6
subtracting gives 4x = -12 so x = -3
12
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.
3 + 6 + 9 + 12 = 30
3
12 divided by 3 equals 4. Then, 4 times 3 equals 12. Finally, 4 plus 12 equals 16.
8x+30=4x+18 -4x -4x 4x+30=18 -30 -30 4x=-12 4x/4=-12/4 x=-3
N=3.
12
15 plus -3 equals 12 12 divided by -6 equals -2
a=3