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4\times 4x+215=2x
Multiply both sides of the equation by 20, the least common multiple of 5,4,10.
16x+215=2x
Multiply 4 and 4 to get 16.
16x+215-2x=0
Subtract 2x from both sides.
14x+215=0
Combine 16x and -2x to get 14x.
14x=-215
Subtract 215 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-215}{14}
Divide both sides by 14.
x=-\frac{215}{14}
Fraction \frac{-215}{14} can be rewritten as -\frac{215}{14} by extracting the negative sign.