1=x+3*x-0.4

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Solution for 1=x+3*x-0.4 equation:


Simplifying
1 = x + 3x + -0.4

Reorder the terms:
1 = -0.4 + x + 3x

Combine like terms: x + 3x = 4x
1 = -0.4 + 4x

Solving
1 = -0.4 + 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.
1 + -4x = -0.4 + 4x + -4x

Combine like terms: 4x + -4x = 0
1 + -4x = -0.4 + 0
1 + -4x = -0.4

Add '-1' to each side of the equation.
1 + -1 + -4x = -0.4 + -1

Combine like terms: 1 + -1 = 0
0 + -4x = -0.4 + -1
-4x = -0.4 + -1

Combine like terms: -0.4 + -1 = -1.4
-4x = -1.4

Divide each side by '-4'.
x = 0.35

Simplifying
x = 0.35

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