Question

rezolva in R ecuatia
$5(3x - 6) + 4(3 - 2) = 5x - 8$
si
$9(x - 3) - 4(7 - x) = 5 - 3x$
dau 20 puncte

Answer 1

5(3x-6)+4(3-2)=5x-8
15x-30+12-8=5x-8
15x-5x=-8+30-12+8
10x=18
x=1,8

9(x-3)-4(7-x)=5-3x
9x-27-28+4x=5-3x
9x+4x+3x=5+27+28
16x=60/:16
x=3,75