Question

How do you solve the system by the substitution method: 2x+3y=6,x=y−7?

Answer 1

Answer:

Step-by-step explanation:

2x+3y=6.........(1)

x=y-7..............(2)

Substituting (2)in(1),

2(y-7)+3y=6

2y-14+3y-6=0

5y-20=0

5y=20

y=4

Substituting the value of y in (2),

x=4-7=-3

The values are-3 & 4.

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