x-5=√5²-3²
4x-2x=7+13
2+7x-3x+4=18
X³-3=213
x²+16=65
4x²=64
√x -5 = 8
2x=√16
x:3=√12 .3
10x-8-2x=9+5x+7
X=10
X=3
X=4
X=2
X=6
X=18
X=8
X=7
X=9
X=169