0.7x-0.7(3-x)=2.8

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Solution for 0.7x-0.7(3-x)=2.8 equation: 


Simplifying
0.7x + -0.7(3 + -1x) = 2.8
0.7x + (3 * -0.7 + -1x * -0.7) = 2.8
0.7x + (-2.1 + 0.7x) = 2.8

Reorder the terms:
-2.1 + 0.7x + 0.7x = 2.8

Combine like terms: 0.7x + 0.7x = 1.4x
-2.1 + 1.4x = 2.8

Solving
-2.1 + 1.4x = 2.8

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 1.4x = 2.8 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 1.4x = 2.8 + 2.1
1.4x = 2.8 + 2.1

Combine like terms: 2.8 + 2.1 = 4.9
1.4x = 4.9

Divide each side by '1.4'.
x = 3.5

Simplifying
x = 3.5

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