L loulou1 Member Feb 10, 2009 #1 3x + 11 = 75 - 5x what is x 91 - 4x = 10x + 21 what x -3 - 6x = 9 - 9x what is x 102 - 3x = 3x + 24 what x 2x + 13 = -20 -9x what is x -18 -9x = 9x +18 what x just an annoying quiz which i need to complete please answer!!!! decimals can be used
3x + 11 = 75 - 5x what is x 91 - 4x = 10x + 21 what x -3 - 6x = 9 - 9x what is x 102 - 3x = 3x + 24 what x 2x + 13 = -20 -9x what is x -18 -9x = 9x +18 what x just an annoying quiz which i need to complete please answer!!!! decimals can be used
G ginnyrox49364 New member Feb 10, 2009 #2 x=8 x=5 x=4 x=no solution x=3 x=all real numbers Everyone needs help sometimes
M mr_snakchrmr New member Feb 10, 2009 #3 well Loulou you need to combine like terms and move them to the opposite sides such as: 3x+11=75-5x +5 +5x 8x + 11=75 -11 =-11 8x=64 divide by 8 and x=8 the next one is: 91-4x=10x+21 70=14x x=5 Try it
well Loulou you need to combine like terms and move them to the opposite sides such as: 3x+11=75-5x +5 +5x 8x + 11=75 -11 =-11 8x=64 divide by 8 and x=8 the next one is: 91-4x=10x+21 70=14x x=5 Try it
M mr_snakchrmr New member Feb 10, 2009 #4 well Loulou you need to combine like terms and move them to the opposite sides such as: 3x+11=75-5x +5 +5x 8x + 11=75 -11 =-11 8x=64 divide by 8 and x=8 the next one is: 91-4x=10x+21 70=14x x=5 Try it
well Loulou you need to combine like terms and move them to the opposite sides such as: 3x+11=75-5x +5 +5x 8x + 11=75 -11 =-11 8x=64 divide by 8 and x=8 the next one is: 91-4x=10x+21 70=14x x=5 Try it
