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d1i1m1o1n [39]
3 years ago
13

I NEED TO KNOW THIS Q

Mathematics
2 answers:
Nikolay [14]3 years ago
6 0

See picture for explanation.

IRISSAK [1]3 years ago
3 0
To find where they intersect you need to find where they equal each other. Since you already know what y equals in terms of x from the blue equation you can plug that into the red equation to solve for x
x + 4(2x - 6) = 12 \\ x + 8x - 24 = 12 \\ 9x = 36 \\ x = 4
Now that we know what x is equal to we can plug it into the blue equation to solve for what y is equal to
y = 2(4) - 6 \\ y = 8 - 6 \\ y = 2
The place where the two lines intersect is at the coordinate (4,2)
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