Question

Rezolvati ecuatile:c)3(x+7)=75;e)111+2x+29=10 ka puterea a3

Answer 1

c)3(x+7)=75

$x + 7 = \frac{75}{3}$

x+7=25

x=25-7

x=18

b)111+2x+29=10³

111+2x+29=1000

2x+140=1000

2x=1000-140

2x=860

$x = \frac{860}{2}$

x=430