What is the solution for the system of equations? Use the substitution method to solve. 2x+y=20 −5y=−6x+12

Question

What is the solution for the system of equations?

Use the substitution method to solve.

2x+y=20
−5y=−6x+12

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Thu Hương 5 years 2021-09-05T11:43:27+00:00 1 Answers 23 views 0

Answers ( )

  1. Xavia
    0
    2021-09-05T11:45:06+00:00
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    2x+y=20
    -2x on both sides
    y=20-2x

    -5(20-2x)=-6x+12
    -100+10x=-6x+12
    10x+6x=12+100
    16x=112
    x=7

    Substitute x with 7
    2(7)+y=20
    14+y=20
    y=20-14
    y=6

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