Respuesta :
Answer:x=-3
Step-by-step explanation:
Combine like terms
6 + -4x = 7x + -9x + 12
Reorder the terms:
6 + -4x = 12 + 7x + -9x
Combine like terms: 7x + -9x = -2x
6 + -4x = 12 + -2x
6 + -4x = 12 + -2x
Add '2x' to each side of the equation.
6 + -4x + 2x = 12 + -2x + 2x
Combine like terms: -4x + 2x = -2x
6 + -2x = 12 + -2x + 2x
Combine like terms: -2x + 2x = 0
6 + -2x = 12 + 0
6 + -2x = 12
Add '-6' to each side of the equation.
6 + -6 + -2x = 12 + -6
Combine like terms: 6 + -6 = 0
0 + -2x = 12 + -6
-2x = 12 + -6
Combine like terms: 12 + -6 = 6
-2x = 6
Divide each side by '-2'.
x = -3
Simplifying
x = -3
