Question

Oblicz równania
6-5x=2x-7
3 (y+1)+6y=-2 (y-1)+8
daje naj proszę na jutro

Answer 1

A) 6-5x=2x-7
-5x-2x=-6-7
-7x=-13 / : (-7)
x= 13/7 = 1 i 6/7
 
b) 3 (y+1) +6y = -2 (y-1) +8
3y+3+6y=-2y+2+8
3y+6y+2y=2+8-3
11y=7 / :11
y= 7/11