0.7x-0.5(4-x)=2.2

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Solution for 0.7x-0.5(4-x)=2.2 equation: 


Simplifying
0.7x + -0.5(4 + -1x) = 2.2
0.7x + (4 * -0.5 + -1x * -0.5) = 2.2
0.7x + (-2 + 0.5x) = 2.2

Reorder the terms:
-2 + 0.7x + 0.5x = 2.2

Combine like terms: 0.7x + 0.5x = 1.2x
-2 + 1.2x = 2.2

Solving
-2 + 1.2x = 2.2

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 1.2x = 2.2 + 2

Combine like terms: -2 + 2 = 0
0 + 1.2x = 2.2 + 2
1.2x = 2.2 + 2

Combine like terms: 2.2 + 2 = 4.2
1.2x = 4.2

Divide each side by '1.2'.
x = 3.5

Simplifying
x = 3.5

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