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49+58+67+63+66+b=360
We move all terms to the left:
49+58+67+63+66+b-(360)=0
We add all the numbers together, and all the variables
b-57=0
We move all terms containing b to the left, all other terms to the right
b=57
| 3(2u+3)=2(2u-3 | | 68+69+62+60+b=360 | | -5(x+4)=-2(3x+1) | | 70+86+62+78+b=360 | | 64+83+65+b=360 | | 10+4y=58-4y | | F(x)=12-10-5x | | 82+93+63+b=360 | | 52+71+97+b=360 | | 6x+5=1+(3x+2) | | 134+85+b=360 | | 12-x/4=20 | | 113+100+b=360 | | 130+80+b=360 | | -3+3v=15 | | 40=9xx5 | | y=5.3+1.6 | | -8x-4x+2=38-5x+20x | | 21=-6x+3(x+6) | | 25+3t=—7 | | -2x-3x-1x=96 | | 3+5k=7 | | 21=6x+3(x+6) | | b+49=180 | | x/4=5.333 | | 243+94+b=360 | | 1y/2+5=25 | | b+94=360 | | -1/3x+9=4/3x-3 | | 3y²=12 | | b+50=360 | | b+63=180 |