labrandonanderson00
25.05.2021 •
Mathematics
X-7y=4,5x-4y=-11 solve system of equations by substitution
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Ответ:
multiply 1st eqn by 5
so it can be canceled and again u get value of y will be 1 and sagain put tha value of y in eqn 1 so that u can get the value of x
Ответ: