5x - 4 = 47
Add '4' to both sides
5x - 4 + 4 = 47 + 4
5x = 51
Divide both sides by '5'
5x/5 = 51/5
x = 51/5 = 10 1/5 = 10.2
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5x-4 = 47
Add 4 to both sides:
5x = 51
Divide both sides by 5 to find the value of x:
x = 10.2