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Mathematics 18 Online
OpenStudy (kitty626oldrose):

FAN AND MEDAL Did I do this right 2x+y=3 4x-7y=15 Step 1: -2 (2x+y=3) --> -4x-2y=-6 4x-7y=15 Step 2: -4x-2y=-6 4x-7y=15 -9y=9 y=-1 Step 3: 2x+(-1) =3 x=2 Step: the solution is (2,-1) Step 5: verify solution Equation 1 2 (2) + (-1)=3 3=3 Equation 2 4(2)-7(-1)=15 15=15

OpenStudy (anonymous):

Looks good to me

OpenStudy (kitty626oldrose):

thank you @Brian42

OpenStudy (otfgloboy):

how did u get 7y

OpenStudy (kitty626oldrose):

it was in the equation

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