How many solutions does
-4x+y=1
and
2y-2=8x have?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Ineed with number 6 , explain how to get 1978