document.write( "Question 939374: Summer is coming to a close in Alaska, and the temperatures are falling. The temperature in Fairbanks is -2 times the temperature in Barrow. The temperature in Barrow is 6 degrees more than -2 times the temperature in Fairbanks. What are the temperatures in Fairbanks and Barrow? \n" ); document.write( "
Algebra.Com's Answer #572548 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Summer is coming to a close in Alaska, and the temperatures are falling. \n" ); document.write( " The temperature in Fairbanks is -2 times the temperature in Barrow. \n" ); document.write( " The temperature in Barrow is 6 degrees more than -2 times the temperature in Fairbanks. \n" ); document.write( " What are the temperatures in Fairbanks and Barrow? \n" ); document.write( ": \n" ); document.write( "let f = Fairbanks temp; \n" ); document.write( "let b = Barrow's temp \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "\"The temperature in Fairbanks is -2 times the temperature in Barrow.\" \n" ); document.write( "f = -2b \n" ); document.write( "; \n" ); document.write( " The temperature in Barrow is 6 degrees more than -2 times the temperature in Fairbanks. \n" ); document.write( "b = -2f + 6 \n" ); document.write( "replace f with -2b (from the 1st statement) \n" ); document.write( "b = -2(-2b) + 6 \n" ); document.write( "b = +4b + 6 \n" ); document.write( "-6 = 4b - b \n" ); document.write( "-6 = 3b \n" ); document.write( "b = -6/3 \n" ); document.write( "b = -2 degrees at Point Barrow \n" ); document.write( "then \n" ); document.write( "f = -2(-2) \n" ); document.write( "f = +4 degrees in Fairbanks\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |