4x+7=9x+7
-5x=0
x=0
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9x = 4x + 45 5x = 45x = 9
9x + 8 = 4x + 23Subtract 8 from both sides9x = 4x + 15Subtract 4x from both sides5x = 15Divide both sides by 5x = 3
4x + 55 = 9x + 10 55 = 5x + 10 45 = 5x x = 9
x=9
4x+3=9x-4+4 +44x+7=9x-4x -4x7=5x-------57/5=1.41.4=x