Question

resuelve cada ecuación y verifica su solución

ayuda

doy corona y sigo
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Answer 1

A. x+3=7
x = 7-3
x = 4

B. 9 + x = 12
x = 12 - 9
x = 3

C. 2x = 19 - 5
2x= 14
x = 14/2
x = 7

D. x - 8 = 12
x = 12 + 8
x = 20

E. 5x = 20
x= 20/5
x = 4

F. 3x = 29 - 8
3x = 21
x= 21/3
x = 7

G. x - 21 = 86
x = 86 + 21
x = 107


h. (x+2)-1= 7
x + 2 - 1 = 7
x = 7-2+1
x= 6