3(x+20)-4x=10 2x+3(x+10)=380 5(x+2)-6(x-2)=5
3x+60-4x=10 2x+3x+30=380 5x+10-6x+12=5
-x=-50 5x=350 -x=-17
x=50 x=70 x=17
3x-4x=10-60 2x+3x=380-30 5x-6x=5-10-12
-1x=-50 5x=350 -1x=-17
x=-50/-1 x=350/5 x=-17/-1
3(x+20)-4x=10 2x+3(x+10)=380 5(x+2)-6(x-2)=5
3x+60-4x=10 2x+3x+30=380 5x+10-6x+12=5
-x=-50 5x=350 -x=-17
x=50 x=70 x=17
3(x+20)-4x=10 2x+3(x+10)=380 5(x+2)-6(x-2)=5
3x+60-4x=10 2x+3x+30=380 5x+10-6x+12=5
3x-4x=10-60 2x+3x=380-30 5x-6x=5-10-12
-1x=-50 5x=350 -1x=-17
x=-50/-1 x=350/5 x=-17/-1
x=50 x=70 x=17