0.9x-0.7(3-x)=5.1

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Solution for 0.9x-0.7(3-x)=5.1 equation: 


Simplifying
0.9x + -0.7(3 + -1x) = 5.1
0.9x + (3 * -0.7 + -1x * -0.7) = 5.1
0.9x + (-2.1 + 0.7x) = 5.1

Reorder the terms:
-2.1 + 0.9x + 0.7x = 5.1

Combine like terms: 0.9x + 0.7x = 1.6x
-2.1 + 1.6x = 5.1

Solving
-2.1 + 1.6x = 5.1

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 + 1.6x = 5.1 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 1.6x = 5.1 + 2.1
1.6x = 5.1 + 2.1

Combine like terms: 5.1 + 2.1 = 7.2
1.6x = 7.2

Divide each side by '1.6'.
x = 4.5

Simplifying
x = 4.5

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