Answer:
4
Step-by-step explanation:
20diveded by 5
Rewrite this as -m divided by 4 - 2 = 3
Add the two to 3 to get 5
Multiply 5 by 4 to get 20
m = -20
-4x+11y=15
x=2y
-4*2y+11y=15
-8y+11y=15
3y=15 //3
y=5
x=2*5
x=10
true
it was X+12