Solve, using the substitution method
1 answer:
2x+4y=16
x-7=-4y
4y=16-2x
<span>4y=16-2(-4y+7)
4y=16+8y-14
-4y=2
-4y/-4=2/-4
<u>y=-0,5</u>
2x=16-4(-0,5)
2x=16+2
2x/2=18/2
<u>x=9
</u>
C</span>
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I believe the answer is B.
Hope this helps!
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7 * 38 + 3*45 - 56
use order of operations
(7*38) + (3*45) - 56
266 + 135 - 56
=345
I got 11,304. I don't know if that's right or if it's wrong. Let me check again
3/6 (r-7) =1 The answer is r=7
