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k=5=13
We move all terms to the left:
k-(5)=0
We move all terms containing k to the left, all other terms to the right
k=5
| 3x+12=15-33 | | 7+x=211 | | 5/2p-30=30-5/2 | | 16=6(x-5)4x | | 55=11v | | x/12=1380 | | −1.2x+2.5=0.8x+6.5 | | 6+5n=−4 | | z+-5=15 | | .5x+8.3=12.4 | | .10(2x+13)=170 | | 10x-40=40 | | -2+u=6 | | 17x^2-51x=0 | | -1.2x+2.5=0.8+6.5 | | 2/a+7=10 | | 2a +7=10 | | -11x=4x | | -13/5=x/4 | | 18=5y-2y+3 | | -9h=-63 | | 3/5k=-21 | | 9u=4+56 | | 4X+3=x5X+21 | | −1.2x+2.5=0.8x+6.5. | | x−1.6=−8.2 | | -23=-5-1x | | 6x9+6=69 | | -21=y/5 | | a-3.5=`4.9 | | 209=-7x+6(-4x=9) | | b/3=30 |