Assignment:
Elimination method
Q1) 5r-6s=-10
6r+5s=49
Q2) 1/3x + 1/1y=2/3
2/3x + 3/5y=1/5
Q3) 5x+3y=-12
6x-3y=-54
Q4) p=47+q
8p=6q+404
Substitution method
Q1) x+y=5
y=x-3
Q2) r-45=0
6r-5s=133
Q3) 6x+3y=-36
-7x+y=60
System of equation by graphing:
Q1) y-2x=0
y=4x-1
Provide complete and step by step solution for the question and show calculations and use formulas.