Look at this linear equation. 3x + 5y = 30 which of the following equations can be used to solve for y in the linear equation above? a. y = - x + 30 b. y = 3x + 6 c. y = - x + 6 d. y = x + 30

y = -3x/5 + 6

Step-by-step explanation:

Given the equation 3x+5y = 30, to find the equation that can be used to solve for y, we will have to make y the subject of the formula from the given linear equation to have;

3x + 5y = 30

First we will subtract 3x from both sides of the equation to have;

3x+5y-3x = 30-3x

5y = 30-3x

Dividing both sides of the equation by the coefficient of y which is 5 we will have;

5y/5 = 30/5-3x/5

y = 6-(3x/5)

y = -3x/5 + 6

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Step-by-step explanation: