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-6.80+q=9

We move all terms to the left:

-6.80+q-(9)=0

We add all the numbers together, and all the variables

q-15.8=0

We move all terms containing q to the left, all other terms to the right

q=15.8

| (X+9)=(5x-87) | | -0.5(-6-4x)=63-10x | | (3+6q)(3)= | | -1.5+x=15 | | 10x-20=44+2x | | (x)=2x2+5x–9 | | ?5=3j?5 | | 3(x+7)=-7x+87 | | (6x+96)=144 | | 2^x-16=70 | | h÷10=5h= | | (8x+11)÷-7=11 | | 42(6x)=90 | | 2/3r+2=-3/4r+21/2 | | 2s+3(72-4s)=91 | | 4y+5+3y+7=11y-20 | | x+5÷3x-4=0 | | 11-m=20 | | x+10+2x+2+2x-5=180 | | 1/2(8x-20)=1/4(12+32) | | 12·x=96 | | 4(4y+5)=148 | | 5.6b=b | | 3(16c+18)=11c+17 | | 12/x=96 | | 19-4k=27 | | 8x-23+34+x=180 | | -x+9-4=-5(x+2) | | 2.8=0.9-1.9?1.9y | | x+5/3x-4=0 | | 15x-1=9x+5 |

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