SOLUTION: solve {{{ A=(1/2) h(b1+b2) }}} for the variable b1

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Question 1112237: solve +A=%281%2F2%29+h%28b1%2Bb2%29+ for the variable b1
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

solve +A=%281%2F2%29+h%28b%5B1%5D%2Bb%5B2%5D%29+ for the variable b%5B1%5D
+2A=2%281%2F2%29+h%28b%5B1%5D%2Bb%5B2%5D%29+ ...both sides multiply by 2
+2A=+h%28b%5B1%5D%2Bb%5B2%5D%29+...divide by h
+2A%2Fh=+h%28b%5B1%5D%2Bb%5B2%5D%29%2Fh+
+2A%2Fh=+b%5B1%5D%2Bb%5B2%5D+...add -b%5B2%5D
+2A%2Fh+-b%5B2%5D=+b%5B1%5D%2Bb%5B2%5D-b%5B2%5D+
+2A%2Fh+-b%5B2%5D=+b%5B1%5D+
so, b%5B1%5D=+2A%2Fh+-b%5B2%5D++