0.3-0.8x+0.4+0.7x=

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Solution for 0.3-0.8x+0.4+0.7x= equation: 


Simplifying
0.3 + -0.8x + 0.4 + 0.7x = 0

Reorder the terms:
0.3 + 0.4 + -0.8x + 0.7x = 0

Combine like terms: 0.3 + 0.4 = 0.7
0.7 + -0.8x + 0.7x = 0

Combine like terms: -0.8x + 0.7x = -0.1x
0.7 + -0.1x = 0

Solving
0.7 + -0.1x = 0

Solving for variable 'x'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -0.1x = 0 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.1x = 0 + -0.7
-0.1x = 0 + -0.7

Combine like terms: 0 + -0.7 = -0.7
-0.1x = -0.7

Divide each side by '-0.1'.
x = 7

Simplifying
x = 7

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