-4(5*12-7x)=380-5(4*12+2x)
-4(5*12-7x)=380-5(4*12+2x) -4(60-7x)=380-5(48+2x) -240+28x=380-240-10x 28x+10x=380-240+240 38x=380 x=380/38 x=10