Solve the literal equation [math]A=\frac{1}{2}(b_1 + b_2)h[/math] for [math]b_1[/math].
[list=1] [*]Begin to isolate the specified variable. [*]Continue using properties of equality to isolate the specified variable. [*]Isolate [math]b_1[/math]. [*]State the results. [/list] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.