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aaaa=9
We move all terms to the left:
aaaa-(9)=0
We move all terms containing a to the left, all other terms to the right
aaaa=9
a=9/1
a=9
| 1a1a1a1a1a1a1a1a1a=9 | | 1a1a=9 | | 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999a+999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 | | 8127979802134789041a+280417890712580729803798127590278930743298017389739857187a=90 | | 1a+2a+3a+4a+5a=5 | | -6+8n=34 | | 5/17=v/9 | | 2.25(-9x-6)+4.25=0.75(5-x) | | -9b+8=44 | | −4−(−5)=x | | -3a-1=35 | | 2(2.5x+3)=11 | | 4b-12=92 | | 4x-4(2)=-12 | | 6x-3(-4)=0 | | 105=(3x-15) | | 15x+5+120=180 | | 1/3(x+3/7)+5(x+1)=x | | 2x-8+12=x | | 17.k4-1=9 | | b=105+75 | | b+105+75=180 | | 3(k-4)+9(k+1)=k | | 3x+11=87 | | x-5=77 | | 3x+3°+x+7°=90° | | 3(x-3)-4(x+3)=0 | | 6x-100=2x+40 | | n8+3=7 | | +x+13)²=4 | | 5(6m+8)= | | (x+13)²=4 |