Respuesta :
Multiply everything in the parenthesis by 8.4.
8.4x - 42 - 2x + x
Combine like terms.
7.4x - 42 = 0
Add 42 to both sides.
7.4x = 42
Divide 7.4 on both sides.
x = 5.67
This can be rounded to 5.7.
Hope this helps!
8.4x - 42 - 2x + x
Combine like terms.
7.4x - 42 = 0
Add 42 to both sides.
7.4x = 42
Divide 7.4 on both sides.
x = 5.67
This can be rounded to 5.7.
Hope this helps!