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7a-5a=0
We add all the numbers together, and all the variables
2a=0
a=0/2
a=0
| 3n^2-29n+48=0 | | 4p+6+2=0 | | d3+ –7=–5 | | 0.1y+12=20 | | x^2−2x+24=0 | | x2−2x+24=0 | | 2.50+4.25b=21.25 | | ×/4=y7 | | ×/4=y | | 9s+4=36 | | 5n-12+2n=180 | | (5x+3)77=180 | | 6(10n+7=582 | | 35+0.25=27+0.5x | | 8z+24=28 | | 4x-(-3x+9-2x)= | | 5(2d-3)=6d+11+2d | | 4(x+8)=-26+7x | | 2n+1-2+2=3 | | X2+7x-120=0 | | 8-4u=28 | | 3(4x+5)–8x+3=30 | | 5r^2+4=12r | | 5c+3=77 | | 2/x=1.34 | | (2x)=74 | | -0.25(12+h)=7 | | 8(1-2r)=152 | | 3+n+2=5 | | (0.5+x)+x=9.8÷2 | | 22-x=5(2+x) | | x+42=3x=90 |