Solve for x and y by substitution method
a) 0.4x-1.5=6.5
0.3x+0.2=0.9
b) x+y=8
2x-3y=1

Answer:
A
Step-by-step explanation:
Because if you simplify you get that
Answer:
15 and 4+4
Step-by-step explanation:
i think its correct