0.4(7+2x)+1.1x=3.1

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Solution for 0.4(7+2x)+1.1x=3.1 equation: 


Simplifying
0.4(7 + 2x) + 1.1x = 3.1
(7 * 0.4 + 2x * 0.4) + 1.1x = 3.1
(2.8 + 0.8x) + 1.1x = 3.1

Combine like terms: 0.8x + 1.1x = 1.9x
2.8 + 1.9x = 3.1

Solving
2.8 + 1.9x = 3.1

Solving for variable 'x'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 1.9x = 3.1 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 1.9x = 3.1 + -2.8
1.9x = 3.1 + -2.8

Combine like terms: 3.1 + -2.8 = 0.3
1.9x = 0.3

Divide each side by '1.9'.
x = 0.1578947368

Simplifying
x = 0.1578947368

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