Q. Solve for y.Assume the equation has a solution for y.py+7=6y+qy=□
Identify the system: Identify the system of equations to solve for y.The system is:1. py+7=6y+q2. y=?We need to isolate y in the first equation.
Subtract py from both sides: Subtract py from both sides of the equation to move all terms containing y to one side.(py+7)−py=(6y+q)−pyThis simplifies to:7=6y−py+q
Factor out from the terms: Factor out from the terms on the right-hand side.\newlineNow we have y multiplied by (666 - p) and an additional q on the right-hand side.
Subtract qqq from both sides: Subtract qqq from both sides to isolate the term with yyy.\newline7−q=y(6−p)7 - q = y(6 - p)7−q=y(6−p)\newlineNow we have y(6−p)y(6 - p)y(6−p) on one side and 7−q7 - q7−q on the other side.
Divide both sides by (6−p)(6 - p)(6−p): Divide both sides by (6−p)(6 - p)(6−p) to solve for yyy.7−q6−p=y\frac{7 - q}{6 - p} = y6−p7−q=yThis gives us the value of yyy in terms of ppp and qqq.
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