10
-3+x=7. x=10
-2 plus 5 equals +3
3
-7m + 20 = -17m - 1010m = -30m = -3
-13
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.
5b + 3 = 10 - 3 - 3 5b = 7 5b/5 7/5 b= 1.5 There you go !
m= -3
3
10x+7=(-3) 10x=(-10) x=(-1)ans
6x + 3 = -7 -5x 6x + 5x = -7 -3 11x = -10 x = -10/11