Question

Solve the system of linear equations below.

y = -2x + 19
y = x + 7

Answer 1

this is easy actually :P

Answer 2

just simple substitution my friend

Answer 3

A. x = 4, y = 11
B. x = -12, y = -5
C. x = -4, y = 3
D. x = 8, y = 3

Answer 4

show me with steps

Answer 5

okay! gimme a min :)

Answer 6

answer is A.

Answer 7

I'll tell u the steps now

Answer 8

1.
\[y=-2x+19\]
2.
\[y=x+7\]

Answer 9

next step:
from 2. take the value of x:
\[x=y-7\]
and substitute in 1. :
\[y=-2(y-7)+19\]

Answer 10

then:
\[y=-2y+14+19\]

Answer 11

\[3y=33\]

Answer 12

or you could just substitute x + 7 in for y in the first equation

Answer 13

thanks very helpful!

Answer 14

@edjoey u are welcome! :)