solve the following system of equations using the substitution method x= 4y – 1

Question

solve the following system of equations using the substitution method x= 4y – 1
x+ 2y = 11

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Autumn 2 months 2021-10-17T12:58:19+00:00 1 Answer 0 views 0

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    2021-10-17T12:59:55+00:00

    Answer:

    x = 7,   y = 2

    Step-by-step explanation:

    To use the substitution method, we can that the value of “x” (4y – 1) and plug that into the second equation to find “y”:

    x + 2y = 11

    (4y – 1) + 2y = 11

    6y – 1 = 11

    6y = 12

    y = 2

    Then we can plug the value of “y” into the first equation to get “x”:

    x = 4y – 1

    x = 4(2) – 1

    x = 8 – 1

    x = 7

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45:7+7-4:2-5:5*4+35:2 =? ( )