Q: How to Solve the equation for y 3x-5y equals 15?

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-0.5

+6

5x+y=-7 3x+y=15 8=D

x2+x-15 = 0 Using the quadratic equation formula: x = 3.405124838 or x = -4.405124838

You've already given a full, explicit description of ' X ' so there's nothing to solve. The expression (X = 15) sounds like it's the solution to an earlier equation.

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y=±√15

-0.5

-3

m-15=3 m-15+15=3+15 m=3+15 m=18

15

+6

5x+y=-7 3x+y=15 8=D

Add 5 to both sides of the equation to get rid of the - 5. -3x - 5 + 5 = -20 + 5 Solve and simplify. -3x = -15 Divide both sides of the equation by -3. x = 5

-- Add 5p to each side of the equation. -- Add 15 to each side of the equation. -- Look at the equation and find the one last step that will give you " p = a number ", which is the solution.

x2+x-15 = 0 Using the quadratic equation formula: x = 3.405124838 or x = -4.405124838

You've already given a full, explicit description of ' X ' so there's nothing to solve. The expression (X = 15) sounds like it's the solution to an earlier equation.

15 = 5b