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2x+y=5 and x+2y=4

Graph system of equation

Sagot :

To solve for this you need to solve for y. Equation should look like this y=mx+b Once your done solving for y, look for the y intercept which is the b, then plot that number on the y axis on the coordinate plane then look at the slope the mx if it is not a fraction already put a 1 under it. Then do rise over run to find your next point on the coordinate plane. And that's about it of graphing system of equation
Panoyinid
2x + 1y = 5 ⇒ 2x + 1y = 5
1x + 2y = 4 ⇒ 2x + 4y = 8
                              -3y = -3
                               -3     -3
                                 y = 1
                         2x + 1 = 5
                               - 1  - 1
                               2x = 4
                                2     2
                                 x = 2
                           (x, y) = (2, 1)

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