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x+5=\frac{1}{2}x+\frac{1}{2}\times 3
Use the distributive property to multiply \frac{1}{2} by x+3.
x+5=\frac{1}{2}x+\frac{3}{2}
Multiply \frac{1}{2} and 3 to get \frac{3}{2}.
x+5-\frac{1}{2}x=\frac{3}{2}
Subtract \frac{1}{2}x from both sides.
\frac{1}{2}x+5=\frac{3}{2}
Combine x and -\frac{1}{2}x to get \frac{1}{2}x.
\frac{1}{2}x=\frac{3}{2}-5
Subtract 5 from both sides.
\frac{1}{2}x=\frac{3}{2}-\frac{10}{2}
Convert 5 to fraction \frac{10}{2}.
\frac{1}{2}x=\frac{3-10}{2}
Since \frac{3}{2} and \frac{10}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{2}x=-\frac{7}{2}
Subtract 10 from 3 to get -7.
x=-\frac{7}{2}\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x=-7
Cancel out 2 and 2.