Question

( 4(7+x)-5(2 x-y)=60 y-100 )
Remove parentheses
( 28+4 x-10 x+5 y=60 y-100 )
Collect the like terms
( 28-6 x+5 y=60 y-100 )
Move expression to the right
( -6 x=60 y-100-28-5 y )
Collect the like terms Calculate
( -6 x=55 y-128 )
Divide both sides by - 6
( x=-frac{55}{6} y+frac{64}{3} )

# Solve le 1 tk 224 y - 34-5

Solution