What is the resulting equation when the expression for y in the second equation is substituted into the first equation?

3x + y = 1

y = 6 - 4x

a. 7x + 6 = 1

b. -x + 6 = 1

c. x + 6 = 1

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?