x + y = 6 3x = y + 6 Using the two equations, solve for x. A. x = 3 B. x = 8 C

Question

x + y = 6
3x = y + 6

Using the two equations, solve for x.

A.
x = 3
B.
x = 8
C.
x = 6.5
D.
x = 7

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Sarah 3 weeks 2021-09-19T20:29:54+00:00 1 Answer 0

Answers ( )

    0
    2021-09-19T20:31:03+00:00

    Answer:

    i solve it by substitution

    y=6- x

    3x=6-x+6

    3x=12-x

    +x     +x

    4x=12

    x=12/4

    x=3

    y=6-3

    y=3

    Step-by-step explanation:

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