Solve each equation for y. Then find the value of y for each value of x. X - 4y = -4; X = -2, 4, 6
@campbell_st @jim_thompson5910
well start by adding 4y to both sides of the equation then add 4 to both sides of the equation... what do you get..?
I dont get it?
@campbell_st
ok.... x - 4y = -4 +4y +4y -------------- x = -4 + 4y next add 4 x = - 4 + 4y +4 +4 ---------------- x + 4 = 4y or 4y = x + 4 lastly divide both sides by 4...
y = x + 1
nearly \[y = \frac{1}{4} x + 1\] now put each x value in to get y start with x = -2 \[y = \frac{1}{4} \times -2 + 1 \] so \[y = \frac{1}{2}\] repeat it for x = 4 and x = 6
Is this an X or times ^^^ Y = 1/4 x -2 + 1 ????
in this part is times... I've replaced x with -2
Y = 1/4 (4) + 1
thats how i do it ^^ @campbell_st
yes that's it... you should be 2
is the answer 2??
yes
and when u put 6 is the answer 2 1/2
@jim_thompson5910 @kirbykirby @HelpBlahBlahBlah
assuming you mean 6 - 4y = -4 turns into \[\Large y = \frac{5}{2} = 2 \frac{1}{2}\] then you are correct
thank u
np
Join our real-time social learning platform and learn together with your friends!