-.7q-(-4+0.9q)=2.8

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Solution for -.7q-(-4+0.9q)=2.8 equation:


Simplifying
-0.7q + -1(-4 + 0.9q) = 2.8
-0.7q + (-4 * -1 + 0.9q * -1) = 2.8
-0.7q + (4 + -0.9q) = 2.8

Reorder the terms:
4 + -0.7q + -0.9q = 2.8

Combine like terms: -0.7q + -0.9q = -1.6q
4 + -1.6q = 2.8

Solving
4 + -1.6q = 2.8

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1.6q = 2.8 + -4

Combine like terms: 4 + -4 = 0
0 + -1.6q = 2.8 + -4
-1.6q = 2.8 + -4

Combine like terms: 2.8 + -4 = -1.2
-1.6q = -1.2

Divide each side by '-1.6'.
q = 0.75

Simplifying
q = 0.75

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