Question

Resolve os ecuaciones
X + 10 = 25
3 x + 8 = 14
4 . X - 8 = 5 . 4
x : 2 - 1 = 3²
12 + 4 . x = 9. 2-2
plis me ayudan es urgente ​

Answer 1

Explicación paso a paso:

1._ x+10=25

x=25-10

x=15

2._ 3x+8=14

3x=14-8

3×=6

x=6/3

x=2

3._ 4X-8=5*4

4X-8=20

4X=20+8

4X=28

X=28/4

X=7

4._ (x/2)-1=3^2

(x/2)-1=9

(x/2)=9+1

(x/2)=10

x=10*2

x=20

5._ 12+4x=9 (2-2)

12+4x=9(0)

12+4x=0

4x=12

x=12/4

x=3