Answer:
A.) x = -4
Explanation:
1. Simplify the expression
1.4x + 2.6x = -16
Simplify the arithmetic:
4x = -16
2. Isolate the x
4x = -16
Divide both sides by 4:
=

Simplify the fraction:
x =

Find the greatest common factor of the numerator and denominator:
x =

Factor out and cancel the greatest common factor:
x = -4
A.) x = -4