0.4x + 0.3x - 0.84x = 1.12
Combine like terms:
0.7x - 0.84x = 1.12
-0.14x = 1.12
Divide by -0.14:
x = 1.12 / -0.14
x = -8
Therefore, the solution to the equation is x = -8.
0.4x + 0.3x - 0.84x = 1.12
Combine like terms:
0.7x - 0.84x = 1.12
-0.14x = 1.12
Divide by -0.14:
x = 1.12 / -0.14
x = -8
Therefore, the solution to the equation is x = -8.