0.4+0.5=0.6+0.7+0.8x

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Solution for 0.4+0.5=0.6+0.7+0.8x equation: 


Simplifying
0.4 + 0.5 = 0.6 + 0.7 + 0.8x

Combine like terms: 0.4 + 0.5 = 0.9
0.9 = 0.6 + 0.7 + 0.8x

Combine like terms: 0.6 + 0.7 = 1.3
0.9 = 1.3 + 0.8x

Solving
0.9 = 1.3 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
0.9 + -0.8x = 1.3 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
0.9 + -0.8x = 1.3 + 0.0
0.9 + -0.8x = 1.3

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -0.8x = 1.3 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -0.8x = 1.3 + -0.9
-0.8x = 1.3 + -0.9

Combine like terms: 1.3 + -0.9 = 0.4
-0.8x = 0.4

Divide each side by '-0.8'.
x = -0.5

Simplifying
x = -0.5

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