04-03-2015
Mathematics

Answered

Substitution to solve each system
Y=2x-2
Y=x+2
Don't understand how to work out this problem

Answer :

Panoyin Panoyin

04-03-2015

y = 2x - 2
y = 1x + 2
2x - 2 = x + 2
-x    -x
x - 2 = 2
   +2 +2
   x = 4
y = 2(4) - 2
y = 8 - 2
y = 6
(x, y) = (4, 6)

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