Answer to Question #109401 in Algebra for Madison

Question

Find y when x = -3 for y = 1.5x + 11

Answer 1

$\begin{aligned} & \text{Use the equation }y\text{ }=\text{ }1.5x\text{ }+\text{ }11\text{ to find the value of }y\text{ when }x\text{ is }-3. \\ & \\ & \text{Simply substitute }-3\text{ for }x\text{ and then evalaute}\text{.} \\ & \\ & y\text{ }=\text{ }1.5\left( -3 \right)\text{ }+\text{ }11 \\ & \\ & y\text{ }=\text{ }-4.5\text{ }+\text{ }11 \\ & \\ & y=11-4.5 \\ & \\ & y=6.5 \\ & \\ & \text{Therefore, value is }y=6.5. \\ \end{aligned}$