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30\left(x+2\right)+20\left(x+4\right)=15\left(x+6\right)+12\left(x+8\right)
Multiply both sides of the equation by 60, the least common multiple of 2,3,4,5.
30x+60+20\left(x+4\right)=15\left(x+6\right)+12\left(x+8\right)
Use the distributive property to multiply 30 by x+2.
30x+60+20x+80=15\left(x+6\right)+12\left(x+8\right)
Use the distributive property to multiply 20 by x+4.
50x+60+80=15\left(x+6\right)+12\left(x+8\right)
Combine 30x and 20x to get 50x.
50x+140=15\left(x+6\right)+12\left(x+8\right)
Add 60 and 80 to get 140.
50x+140=15x+90+12\left(x+8\right)
Use the distributive property to multiply 15 by x+6.
50x+140=15x+90+12x+96
Use the distributive property to multiply 12 by x+8.
50x+140=27x+90+96
Combine 15x and 12x to get 27x.
50x+140=27x+186
Add 90 and 96 to get 186.
50x+140-27x=186
Subtract 27x from both sides.
23x+140=186
Combine 50x and -27x to get 23x.
23x=186-140
Subtract 140 from both sides.
23x=46
Subtract 140 from 186 to get 46.
x=\frac{46}{23}
Divide both sides by 23.
x=2
Divide 46 by 23 to get 2.