brysonsims brysonsims

03-01-2019
Mathematics

contestada

how many solutions are there in x + 2 y = 5 and 2 x − 2 y = 4 ?

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offguard offguard

04-01-2019

Adding the two equations, you get that 3x=9, so x=3. Since there is only one value of x, there is only one solution.

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