на фото.......................................
22) 4х+(2х-(5х+(2х-3х+3)=4х+(2х-(5х+2х-3х+3)=4х+(2х-5х-2х+3х-3)=4х+2х-5х-2х+
3х-3=2х-3
23) 3z-(7z-(2z+24z+3)=3z-(7z-2z-24z-3)=3z-7z+2z+24z+3=22z+3
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на фото.......................................
22) 4х+(2х-(5х+(2х-3х+3)=4х+(2х-(5х+2х-3х+3)=4х+(2х-5х-2х+3х-3)=4х+2х-5х-2х+
3х-3=2х-3
23) 3z-(7z-(2z+24z+3)=3z-(7z-2z-24z-3)=3z-7z+2z+24z+3=22z+3