thenaivecube thenaivecube

03-06-2018
Mathematics

contestada

Solve: 2x-3y=21 and -6x+2y=7 PLEASE HELP

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musicnotesloves musicnotesloves

03-06-2018

the first one is : x=3/2y+21/2
the second one is: x=1/3y+−7/6

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vidalmari6p99qfk vidalmari6p99qfk

03-06-2018

y= 10

2x-3y=21

2x=21+3y

x= (21/2 +3/2 y)

-6(21/2+3/2y)+2y=7

126/2+18/2y+2y=7

sorry I need to leave now

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