0.4x-3.5(x-1)=19

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Solution for 0.4x-3.5(x-1)=19 equation:


Simplifying
0.4x + -3.5(x + -1) = 19

Reorder the terms:
0.4x + -3.5(-1 + x) = 19
0.4x + (-1 * -3.5 + x * -3.5) = 19
0.4x + (3.5 + -3.5x) = 19

Reorder the terms:
3.5 + 0.4x + -3.5x = 19

Combine like terms: 0.4x + -3.5x = -3.1x
3.5 + -3.1x = 19

Solving
3.5 + -3.1x = 19

Solving for variable 'x'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -3.1x = 19 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -3.1x = 19 + -3.5
-3.1x = 19 + -3.5

Combine like terms: 19 + -3.5 = 15.5
-3.1x = 15.5

Divide each side by '-3.1'.
x = -5

Simplifying
x = -5

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