7x+2(140-x)=5.50

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Solution for 7x+2(140-x)=5.50 equation:


Simplifying
7x + 2(140 + -1x) = 5.50
7x + (140 * 2 + -1x * 2) = 5.50
7x + (280 + -2x) = 5.50

Reorder the terms:
280 + 7x + -2x = 5.50

Combine like terms: 7x + -2x = 5x
280 + 5x = 5.50

Solving
280 + 5x = 5.50

Solving for variable 'x'.

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

Add '-280' to each side of the equation.
280 + -280 + 5x = 5.50 + -280

Combine like terms: 280 + -280 = 0
0 + 5x = 5.50 + -280
5x = 5.50 + -280

Combine like terms: 5.50 + -280 = -274.5
5x = -274.5

Divide each side by '5'.
x = -54.9

Simplifying
x = -54.9

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