x equals 221
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4x = 10 Original EquationDivide each side by 4x = 10/4SimplifyX = 5/2
4x-7=5x-2 x=-5
x= 24x2 = 8
If 4x=120, x=30.
There is no solution yet, for x is an unknown. Once x is known, one can plug in the numbers. 4x-2=4x-2 because they are the exact same on both sides of the equal sign.