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a+4=0
We move all terms containing a to the left, all other terms to the right
a=-4
| 3x/2+4/2=-1 | | n^2-20n+39=0 | | x3+2=x4+3 | | Y/(1.2x3.7)-4.5=19.5 | | 2n+2n=500n | | (2x+19)+8=5x | | Y=8/5x+5 | | 7(7z+10)=9(5z+10) | | 4x²=-2x²+5x-4 | | -3=(3x-10) | | 3(2x-5=9(10-x) | | 70-4x=28+2x | | 5(p-1)=3p+7 | | 49z^2-56z+16=0 | | 2(4d-8)=0 | | (x-8)(2x+10)=0 | | (x-8)(2x+10=0 | | 2(2x+2)=-13+x | | 12x+7x^2=x-5 | | 3y=y÷2+5 | | 53y=5*5y | | 2z^2=3z+5 | | Ax16=96 | | A^n=36n | | 3^(7x-2)-1=0 | | -10-2z=3 | | (2x+3)=x^2-2x+2 | | X²+10x-21=0 | | 3/15=x/3 | | 4x=x±15 | | 2+4x=9x−5 | | 90x-15x+135=(12+2x)×18-3x) |