.3+1.8=.4(x+5)-.2

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Solution for .3+1.8=.4(x+5)-.2 equation: 


Simplifying
0.3 + 1.8 = 0.4(x + 5) + -0.2

Combine like terms: 0.3 + 1.8 = 2.1
2.1 = 0.4(x + 5) + -0.2

Reorder the terms:
2.1 = 0.4(5 + x) + -0.2
2.1 = (5 * 0.4 + x * 0.4) + -0.2
2.1 = (2 + 0.4x) + -0.2

Reorder the terms:
2.1 = 2 + -0.2 + 0.4x

Combine like terms: 2 + -0.2 = 1.8
2.1 = 1.8 + 0.4x

Solving
2.1 = 1.8 + 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.
2.1 + -0.4x = 1.8 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
2.1 + -0.4x = 1.8 + 0.0
2.1 + -0.4x = 1.8

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -0.4x = 1.8 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -0.4x = 1.8 + -2.1
-0.4x = 1.8 + -2.1

Combine like terms: 1.8 + -2.1 = -0.3
-0.4x = -0.3

Divide each side by '-0.4'.
x = 0.75

Simplifying
x = 0.75

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