7.5x+6.5(400-x)=2700

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Solution for 7.5x+6.5(400-x)=2700 equation:


Simplifying
7.5x + 6.5(400 + -1x) = 2700
7.5x + (400 * 6.5 + -1x * 6.5) = 2700
7.5x + (2600 + -6.5x) = 2700

Reorder the terms:
2600 + 7.5x + -6.5x = 2700

Combine like terms: 7.5x + -6.5x = 1x
2600 + 1x = 2700

Solving
2600 + 1x = 2700

Solving for variable 'x'.

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

Add '-2600' to each side of the equation.
2600 + -2600 + 1x = 2700 + -2600

Combine like terms: 2600 + -2600 = 0
0 + 1x = 2700 + -2600
1x = 2700 + -2600

Combine like terms: 2700 + -2600 = 100
1x = 100

Divide each side by '1'.
x = 100

Simplifying
x = 100

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