7x-3(-5.3+4x)=28

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Solution for 7x-3(-5.3+4x)=28 equation: 


Simplifying
7x + -3(-5.3 + 4x) = 28
7x + (-5.3 * -3 + 4x * -3) = 28
7x + (15.9 + -12x) = 28

Reorder the terms:
15.9 + 7x + -12x = 28

Combine like terms: 7x + -12x = -5x
15.9 + -5x = 28

Solving
15.9 + -5x = 28

Solving for variable 'x'.

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

Add '-15.9' to each side of the equation.
15.9 + -15.9 + -5x = 28 + -15.9

Combine like terms: 15.9 + -15.9 = 0.0
0.0 + -5x = 28 + -15.9
-5x = 28 + -15.9

Combine like terms: 28 + -15.9 = 12.1
-5x = 12.1

Divide each side by '-5'.
x = -2.42

Simplifying
x = -2.42

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