algebra 1b
posted by eric michael lovato on .
5x2y=4
x+2y=8

if you are trying to solve for the variables subtract 2y to the other side so you then have X=2y +8 for the equation and put it in for x in the top equation
5(2y+8) 2y=4
10y+402y=4
12y=36
y=3
so then put 3 in for the bottom equation
x+2(3)=8
x=2 
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Sorry, got carried away/ Yes u do put 3 in the bottom of the equation. oh yes... mmm, right.