1. 10 + х = -20 + (-5) 2. -12 + х = - 11 - ( -10)
3. -16 - х = 32 - ( - 12 )
4. х + ( - 18 ) = - 29 - ( - 19 )

Question

Математика: 1. 10 + х = -20 + (-5) 2. -12 + х = - 11 - ( -10) 3. -16 - х = 32 - ( - 12 ) 4. х + ( - 18 ) = - 29 - ( - 19 )

ШкОлА1337228 · Answer

10+х=-20+(-5)10+х=-20-510+х=-25х=-25-10х = - 35-12+х=-11-(-10)-12+х=-11+10-12+х=-1х=-1+12х = 11-16-х=32-(-12)-16-х=32+12-16-х=44-х=44+16-х=60х = - 60х+(-18)=-29-(-19)х-18=-29+19х-18=-10х=-10+18х=8...