2640=2.2q+(4000-q)*0.20

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Solution for 2640=2.2q+(4000-q)*0.20 equation:


Simplifying
2640 = 2.2q + (4000 + -1q) * 0.20

Reorder the terms for easier multiplication:
2640 = 2.2q + 0.20(4000 + -1q)
2640 = 2.2q + (4000 * 0.20 + -1q * 0.20)
2640 = 2.2q + (800 + -0.2q)

Reorder the terms:
2640 = 800 + 2.2q + -0.2q

Combine like terms: 2.2q + -0.2q = 2q
2640 = 800 + 2q

Solving
2640 = 800 + 2q

Solving for variable 'q'.

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

Add '-2q' to each side of the equation.
2640 + -2q = 800 + 2q + -2q

Combine like terms: 2q + -2q = 0
2640 + -2q = 800 + 0
2640 + -2q = 800

Add '-2640' to each side of the equation.
2640 + -2640 + -2q = 800 + -2640

Combine like terms: 2640 + -2640 = 0
0 + -2q = 800 + -2640
-2q = 800 + -2640

Combine like terms: 800 + -2640 = -1840
-2q = -1840

Divide each side by '-2'.
q = 920

Simplifying
q = 920

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