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3 years ago

5x-3y=18 3x+3y=30 Please help

Mathematics

1 answer:

bagirrra123 [75]3 years ago

7 0

Solve for x in 5x - 3y = 18

x = 3(6 + y)/5

Substitute x = 3(6 + y)/5 into 3x + 3y = 30

9(6 + y)/5 + 3y = 30

Solve for y in 9(6 + y)/5 + 3y = 30

y = 4

Substitute y = 4 into x = 3(6 + y)/5

x = 6

Therefore,

<u>x = 6</u>

<u>y = 4</u>

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