3.15-2x=7

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Solution for 3.15-2x=7 equation: 


Simplifying
3.15 + -2x = 7

Solving
3.15 + -2x = 7

Solving for variable 'x'.

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

Add '-3.15' to each side of the equation.
3.15 + -3.15 + -2x = 7 + -3.15

Combine like terms: 3.15 + -3.15 = 0.00
0.00 + -2x = 7 + -3.15
-2x = 7 + -3.15

Combine like terms: 7 + -3.15 = 3.85
-2x = 3.85

Divide each side by '-2'.
x = -1.925

Simplifying
x = -1.925

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