Question

Resolver aplicando la propiedad uniforme y la comprobación.
• 5x + 9 = -1
• X – 7 = 3
• 9 + 6x = -3

Answer 1

Resolución

• 5x + 9 = -1

5x = -1 - 9

5x = -10

x = -10/5

x = -2

• x - 7 = 3

x = 3+7

x = 10

• 9 + 6x = -3

6x = -3 -9

6x = -12

x = -12 -6

x = -18