Setup
0.8x + 0.4y = 50
0.1x + 0.2y = 10 - Multiply by -2 and add
get
0.6x = 30
x = 50 mg compound A
.1 (50) + .2y = 10
5 + .2y = 10
.2y = 5
y = 25 mg compound B
4x-1=x+26
3x-1=26
3x=27
x=9
PLZ Make Me Brainliest
The answer would be 54 since m=-2
Step one: 4(-2+5)+42
Step two: (-8+20)+42=54