-13.1=6.9-4x

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Solution for -13.1=6.9-4x equation:


Simplifying
-13.1 = 6.9 + -4x

Solving
-13.1 = 6.9 + -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.
-13.1 + 4x = 6.9 + -4x + 4x

Combine like terms: -4x + 4x = 0
-13.1 + 4x = 6.9 + 0
-13.1 + 4x = 6.9

Add '13.1' to each side of the equation.
-13.1 + 13.1 + 4x = 6.9 + 13.1

Combine like terms: -13.1 + 13.1 = 0.0
0.0 + 4x = 6.9 + 13.1
4x = 6.9 + 13.1

Combine like terms: 6.9 + 13.1 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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