Answer:
40
Step-by-step explanation:
15/6 = x/16 6x=240 divide 240 by 6 to get 40
464
-3x+6 = -4x
6 = -x
x = -6
check:
-6*-3 = 18 +6 =24
-6*-4 = 24
number = -6
Answer: 1 and 3
7
x equals a certain number
3x - 2 = 19
add 2 both sides
3x=21
divide 3 both sides
x=7