Question

7 Tarea
x + 4 = 12

3x=15

x-5=12

x:4=8​

Answer 1

espero que te ayude

x+4=12. 3x=15

x=12-4. x=5,,

x=8,,

x-5=12. x:4=8

x=12+5. x=8×4

x=17,,. x=32,,

Answer 2

Hola!

Solución:

a)

$x + 4 = 12 \\x = 12 - 4\\x = 8$

b)

$3x = 15\\x = \frac{15}{3}\\x = 5$

c)

$x - 5 = 12\\x = 12 + 5\\x = 17$

d)

$x : 4 = 8\\x = 8 x 4 \\x = 32$

Corona bro :D