Question

600a+400b=11 and 325a+300b=7 solve by elimination method

Answer 1

600a+400b=11-------1
325a+300b=7-------2
eq.1×3
⇒1800a=1200b=33--------3
eq.2×4
⇒1300a+1200b=28-------4
eq.3 - eq.4
⇒500a=5
⇒a=1/100
b=1/80