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If x + 8y = 20 and x = -3y, then y =

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If x + 8y = 20 and x = -3y, then y =..

y=4

 Is This Answer Correct ? 11 Yes 1 No

If x + 8y = 20 and x = -3y, then y =..

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

If x + 8y = 20 and x = -3y, then y =..

Y=4

 Is This Answer Correct ? 3 Yes 0 No

If x + 8y = 20 and x = -3y, then y =..

y=4

 Is This Answer Correct ? 3 Yes 0 No

If x + 8y = 20 and x = -3y, then y =..

-3y + 8y = 20
5y = 20
y = 4

 Is This Answer Correct ? 4 Yes 1 No

If x + 8y = 20 and x = -3y, then y =..

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

If x + 8y = 20 and x = -3y, then y =..

given:x+8y=20 &
x=-3y

Ans:4.

 Is This Answer Correct ? 3 Yes 0 No

If x + 8y = 20 and x = -3y, then y =..

as x=13y then,
x + 8y = 20
-3y + 8y = 20
5y = 20
y = 4

 Is This Answer Correct ? 3 Yes 0 No

If x + 8y = 20 and x = -3y, then y =..

-3y+8=20
5y=20
y=4

 Is This Answer Correct ? 2 Yes 1 No

If x + 8y = 20 and x = -3y, then y =..

X=-3y then -3y+5y=20
4y=20
y=20/4 =5

 Is This Answer Correct ? 0 Yes 2 No

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