-7(0.1x+0.50)-0.9=0.2

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Solution for -7(0.1x+0.50)-0.9=0.2 equation: 


Simplifying
-7(0.1x + 0.50) + -0.9 = 0.2

Reorder the terms:
-7(0.50 + 0.1x) + -0.9 = 0.2
(0.50 * -7 + 0.1x * -7) + -0.9 = 0.2
(-3.5 + -0.7x) + -0.9 = 0.2

Reorder the terms:
-3.5 + -0.9 + -0.7x = 0.2

Combine like terms: -3.5 + -0.9 = -4.4
-4.4 + -0.7x = 0.2

Solving
-4.4 + -0.7x = 0.2

Solving for variable 'x'.

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

Add '4.4' to each side of the equation.
-4.4 + 4.4 + -0.7x = 0.2 + 4.4

Combine like terms: -4.4 + 4.4 = 0.0
0.0 + -0.7x = 0.2 + 4.4
-0.7x = 0.2 + 4.4

Combine like terms: 0.2 + 4.4 = 4.6
-0.7x = 4.6

Divide each side by '-0.7'.
x = -6.571428571

Simplifying
x = -6.571428571

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