0
Anonymous
4x - 7 = 45
Therefore, 4x = 45 + 7 = 52
x = 52/4
x = 13
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9x = 4x + 45 5x = 45x = 9
4x-5=7 4x=12 x=3
x = 37 4x - 7 = 141 4x - 7 + 7 = 141 + 7 4x = 148 x = 37
4x+7-8x=17-4x+7=17-4x=10x = -5/2
-3