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0.42x-5=4
We simplify the equation to the form, which is simple to understand
0.42x-5=4
We move all terms containing x to the left and all other terms to the right.
+ 0.42x=+4+5
We simplify left and right side of the equation.
+ 0.42x=+9
We divide both sides of the equation by 0.42 to get x.
x=21.4285714286
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