Mathematics
Musicluver72
9

Solving a linear equation using the substitution method. 2y-x=3 y-x=4

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Genna57

solve for 1 variable solve for y in 2nd y-x=4 add x y=4+x su that for y in other 2(4+x)-x=3 8+2x-x=3 8+x=3 minus 8 x=-5 sub back y=x+4 y=-5+4 y=-1 (x,y) (-5,-1)

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