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43\times 5+x\times 2\sqrt{3}=43x\times 4+6\sqrt{3}\times 43x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 43x, the least common multiple of x,43.
215+x\times 2\sqrt{3}=43x\times 4+6\sqrt{3}\times 43x
Multiply 43 and 5 to get 215.
215+x\times 2\sqrt{3}=172x+6\sqrt{3}\times 43x
Multiply 43 and 4 to get 172.
215+x\times 2\sqrt{3}=172x+258\sqrt{3}x
Multiply 6 and 43 to get 258.
215+x\times 2\sqrt{3}-172x=258\sqrt{3}x
Subtract 172x from both sides.
215+x\times 2\sqrt{3}-172x-258\sqrt{3}x=0
Subtract 258\sqrt{3}x from both sides.
215-256x\sqrt{3}-172x=0
Combine x\times 2\sqrt{3} and -258\sqrt{3}x to get -256x\sqrt{3}.
-256x\sqrt{3}-172x=-215
Subtract 215 from both sides. Anything subtracted from zero gives its negation.
\left(-256\sqrt{3}-172\right)x=-215
Combine all terms containing x.
\frac{\left(-256\sqrt{3}-172\right)x}{-256\sqrt{3}-172}=-\frac{215}{-256\sqrt{3}-172}
Divide both sides by -256\sqrt{3}-172.
x=-\frac{215}{-256\sqrt{3}-172}
Dividing by -256\sqrt{3}-172 undoes the multiplication by -256\sqrt{3}-172.
x=\frac{3440\sqrt{3}}{10439}-\frac{9245}{41756}
Divide -215 by -256\sqrt{3}-172.