Year 9 Maths – linear equations please help Solve the pair of simultaneous equations: x+y=12 y=x+6 using the

Question

Year 9 Maths – linear equations please help

Solve the pair of simultaneous equations:
x+y=12
y=x+6
using the substitution method to find the values of x and y.

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Savannah 2 hours 2021-09-14T01:09:34+00:00 2 Answers 0

Answers ( )

    0
    2021-09-14T01:10:52+00:00

    Answer:

    Step-by-step explanation:x+y=12

    y=x+6

    x=12-y

    y=12-y+6

    2y=18

    y=18÷2

    y=9

    x+9=12

    x=12-9

    x=3

    0
    2021-09-14T01:11:16+00:00

    So x+(x+6)=12 x=3. y=3+6. y=9

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