3.5x+6.5+7=-20.5

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Solution for 3.5x+6.5+7=-20.5 equation:


Simplifying
3.5x + 6.5 + 7 = -20.5

Reorder the terms:
6.5 + 7 + 3.5x = -20.5

Combine like terms: 6.5 + 7 = 13.5
13.5 + 3.5x = -20.5

Solving
13.5 + 3.5x = -20.5

Solving for variable 'x'.

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

Add '-13.5' to each side of the equation.
13.5 + -13.5 + 3.5x = -20.5 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 3.5x = -20.5 + -13.5
3.5x = -20.5 + -13.5

Combine like terms: -20.5 + -13.5 = -34
3.5x = -34

Divide each side by '3.5'.
x = -9.714285714

Simplifying
x = -9.714285714

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