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3\left(5\times 2-1\right)=2\left(x+2\right)
Multiply both sides of the equation by 6, the least common multiple of 2,3.
3\left(10-1\right)=2\left(x+2\right)
Multiply 5 and 2 to get 10.
3\times 9=2\left(x+2\right)
Subtract 1 from 10 to get 9.
27=2\left(x+2\right)
Multiply 3 and 9 to get 27.
27=2x+4
Use the distributive property to multiply 2 by x+2.
2x+4=27
Swap sides so that all variable terms are on the left hand side.
2x=27-4
Subtract 4 from both sides.
2x=23
Subtract 4 from 27 to get 23.
x=\frac{23}{2}
Divide both sides by 2.