.4x+1.18=-3.1(2-.01x)

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Solution for .4x+1.18=-3.1(2-.01x) equation: 


Simplifying
0.4x + 1.18 = -3.1(2 + -0.01x)

Reorder the terms:
1.18 + 0.4x = -3.1(2 + -0.01x)
1.18 + 0.4x = (2 * -3.1 + -0.01x * -3.1)
1.18 + 0.4x = (-6.2 + 0.031x)

Solving
1.18 + 0.4x = -6.2 + 0.031x

Solving for variable 'x'.

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

Add '-0.031x' to each side of the equation.
1.18 + 0.4x + -0.031x = -6.2 + 0.031x + -0.031x

Combine like terms: 0.4x + -0.031x = 0.369x
1.18 + 0.369x = -6.2 + 0.031x + -0.031x

Combine like terms: 0.031x + -0.031x = 0.000
1.18 + 0.369x = -6.2 + 0.000
1.18 + 0.369x = -6.2

Add '-1.18' to each side of the equation.
1.18 + -1.18 + 0.369x = -6.2 + -1.18

Combine like terms: 1.18 + -1.18 = 0.00
0.00 + 0.369x = -6.2 + -1.18
0.369x = -6.2 + -1.18

Combine like terms: -6.2 + -1.18 = -7.38
0.369x = -7.38

Divide each side by '0.369'.
x = -20

Simplifying
x = -20

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