-15+3x=12.5-4x

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Solution for -15+3x=12.5-4x equation:


Simplifying
-15 + 3x = 12.5 + -4x

Solving
-15 + 3x = 12.5 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-15 + 3x + 4x = 12.5 + -4x + 4x

Combine like terms: 3x + 4x = 7x
-15 + 7x = 12.5 + -4x + 4x

Combine like terms: -4x + 4x = 0
-15 + 7x = 12.5 + 0
-15 + 7x = 12.5

Add '15' to each side of the equation.
-15 + 15 + 7x = 12.5 + 15

Combine like terms: -15 + 15 = 0
0 + 7x = 12.5 + 15
7x = 12.5 + 15

Combine like terms: 12.5 + 15 = 27.5
7x = 27.5

Divide each side by '7'.
x = 3.928571429

Simplifying
x = 3.928571429

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