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Q: Solve x plus 5y equals 20 for y?

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4x-5y+20 = 0 -5y = -4x-20 y = 4/5x+4 which is now in slope intercept form

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24

what is the solution of x-5y=10 and 2x-10y=20

If: 20x+5y = 15 Then: y = -4x+3

12y - 4 = 7y + 165y = 20y = 4

Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7

y = -6

(9,3)

x = 0 and y = 4

(-5, 2)

x=(-5y-1)/3

The Commutative Property of Addition.

-x + 5y = 10 5y= 11 y = 11/5

One linear equation in two variables (x and y) cannot be solved.

5y = 3y + 12 5y - 3y = (3y - 3y) + 12 2y = 12 y = 6

6x plus 3y minus 2x plus 5y equals 4x plus 8y.

This cannot be solved for numerical answers. There must be 2 equations if there are 2 variables.

no

It is not possible to solve a single linear equation in two variables.

To solve for two unknown variables (x and y) you require two independent equations,

-8 - 5y = 12 - 9y -8 + 4y = 12 4y = 20 y = 20/4 or 5

X = 0 (zero) Y = -1 (neg 1)

If: 3y+8 = 5y-20 Then: 3y-5y = -20-8 So: -2y = -28 And: y = -28/-2 => y = 14

No.