3+0.4x=11-0.4x

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Solution for 3+0.4x=11-0.4x equation:


Simplifying
3 + 0.4x = 11 + -0.4x

Solving
3 + 0.4x = 11 + -0.4x

Solving for variable 'x'.

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

Add '0.4x' to each side of the equation.
3 + 0.4x + 0.4x = 11 + -0.4x + 0.4x

Combine like terms: 0.4x + 0.4x = 0.8x
3 + 0.8x = 11 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
3 + 0.8x = 11 + 0.0
3 + 0.8x = 11

Add '-3' to each side of the equation.
3 + -3 + 0.8x = 11 + -3

Combine like terms: 3 + -3 = 0
0 + 0.8x = 11 + -3
0.8x = 11 + -3

Combine like terms: 11 + -3 = 8
0.8x = 8

Divide each side by '0.8'.
x = 10

Simplifying
x = 10

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