If x + 8y = 20 and x = -3y, then y =
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Answer / rohit
x=-3y
y=-x/3
x+8(-x/3)=20
(3x-8x)/3=20
-5x/3=20
-5x=60
x=-12
-12=-3y
y=4
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / s.rajendran
Given:
x + 8Y = 20
x = -3y
Solution:
if x = -3y, then
-3y + 8y = 20, so
5y = 20, then
y = 20/5
therefore, y = 4
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sunil902
as x=13y then,
x + 8y = 20
-3y + 8y = 20
5y = 20
y = 4
| Is This Answer Correct ? | 3 Yes | 0 No |
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