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-45b=-39b

We move all terms to the left:

-45b-(-39b)=0

We get rid of parentheses

-45b+39b=0

We add all the numbers together, and all the variables

-6b=0

b=0/-6

b=0

| d+12/6=20/8 | | F(t)=1,500(1.045) | | j*7=56 | | v*7=28 | | 7*v=48 | | v*7=48 | | 2*i=18 | | c*5=35 | | 4a+a=20;a= | | 1/4-10=7;b= | | 1/3(x+8)=10 | | 2x+25=32 | | 7w-38=-4(w-7) | | v2=-84 | | 4(v+4)=-8v+40 | | 7z-9=-3 | | -3y-9=2y=3 | | y=3=4y-18 | | 31=5(y+8)+4y | | 30=6v+3(v-5) | | 4(w+8)+4w=16 | | x-(x*0.08)=3270191.37 | | x-(x*0.08)=896023.87 | | 2^(x-2)-11^(-10x)=0 | | 6w+7(w+3)=-31 | | -3=5(y-7)+3y | | 6(n+7)=2(21+3) | | 52=v+8v | | 9=10w-w | | 6x-2=5×-7-3× | | 5x-21=29 |

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