Question

2. Determina el valor de x en:
a. 2x - 3= 6 - X
b. 7 – 2x = 8 – 3x
c. 10 - 4x = 7x + 32
d. 8x + 7 = 3x + 16
6
5 15
e.
f.
15.
II
4
x​

Answer 1

Respuesta:

$a)2x - 3 = 6 - x \\ 2x + x = 6 + 3 \\ 3 x = 9 \\ x = 3$

$b)7 - 2x = 8 - 3x \\ 7 - 8 = - 3x + 2x \\ - 1 = - x \\ 1 = x$

$c)10 - 4x = 7x + 32 \\ 10 - 32 = 7x + 4x \\ - 22 = 11x \\ - 2 = x$

$d)8x + 7 = 3x + 16 \\ 8x - 3x = 16 - 7 \\ 5x = 9 \\ x = \frac{9}{5}$