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-(4x+15=28
We move all terms to the left:
-(4x+15-(28)=0
| 3-x=2·(5x-1 | | -(x+24)=35 | | 4t=-9 | | 3x-2=x+6=4 | | 5x+1=4x=-1 | | 16x/16x=0 | | 10=k100(1) | | -3x=330 | | 5.4x18=48.6 | | 7x-4=75 | | 4.3x2.1=1.29 | | (5-x^2)=7 | | 7x+5+3x+31=180 | | 3x-17+x+15=90 | | 8x-19+3x+61=84 | | 12x-33+9x-6=180 | | 3n/5+8=2n/3-5 | | X²-6x=-8 | | F(x)=-2x²+5x-1 | | 7.9m=5.06+9m | | 4(2x-8=-2(-16+4x) | | 8k=10+9k | | 6y²+y-1=0 | | 3-1/2d=3/2d+-d | | 6u=8+10u | | 5/3z=-1 | | 2a²+7a-5=0 | | x/2+3x/4+3=2x-1/8 | | (x+9)/6=15 | | (5/3)x3=5 | | (x+9)/9=15 | | x/7+12=10 |