Answer:
x= -1 and y= 0
Step-by-step explanation:
These are two simultaneous equations
[tex]y=3x+3[/tex] this is equation 1
[tex]-x+2y=1\\[/tex] this is equation 2
We can use equation 1 as it is in terms of x and put it in equation 2 which means
[tex]-x+2y=1[/tex] becomes
[tex]-x+2(3x+3)=1[/tex]
[tex]-x+2(3x+3)=1[/tex]
[tex]-x+6x+6=1[/tex]
[tex]5x=-5[/tex]
[tex]x=-1[/tex]
now we know the value of x and to find out the value of y we put the value of x in any equation either number 1 or 2
lets take equation 1
[tex]y=3(-1)+3[/tex]
[tex]y=-3+3[/tex]
[tex]y=0[/tex]
So this is how you solve your equations algebraically
