Question

la rta de la 2 pregunta

Answer 1

a) [x=(16*15)/10] = [x=240/10] = [x=24]b) [8/5*40=x²] = [64=x²] = [√64=x] = [x=8]
c) [20(x-2)=8(x+4)] = [20x-40=8x+32] = [20x-8x=32+40] = [12x=72] = [x=6]
d) [12x=3(x+3)] = [12x=3x+9] = [12x-3x=9] = [9x=9] = [x=1]
e) x=3
f) x=3
g) x=5
h) x=7
i) x=15
j) x=25/7