5(х+3)-3(1-х)-х-3 3(х+2)-4(1-х)-х-4 4(х+3)-(2-х)-(1+4)х-2

Question

5(х+3)-3(1-х)-х-3
3(х+2)-4(1-х)-х-4
4(х+3)-(2-х)-(1+4)х-2

Answer 1

1. 5(x+3)-3(x-1)-x-3=5x+15-3+3x-x-3=7x+9
2. 3(x+2)-4(1-x)-x-4=3x+6-4+4x-x-4=6x-2
3. 4(x+3)-(2-x)-(1+4)x-2=4x+12-2+x-5x-2=8

Comments

Спасибо.