(5.3*7.2+5.3*x+7.2*x)=69.8

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Solution for (5.3*7.2+5.3*x+7.2*x)=69.8 equation: 


Simplifying
(5.3 * 7.2 + 5.3x + 7.2x) = 69.8

Multiply 5.3 * 7.2
(38.16 + 5.3x + 7.2x) = 69.8

Combine like terms: 5.3x + 7.2x = 12.5x
(38.16 + 12.5x) = 69.8

Remove parenthesis around (38.16 + 12.5x)
38.16 + 12.5x = 69.8

Solving
38.16 + 12.5x = 69.8

Solving for variable 'x'.

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

Add '-38.16' to each side of the equation.
38.16 + -38.16 + 12.5x = 69.8 + -38.16

Combine like terms: 38.16 + -38.16 = 0.00
0.00 + 12.5x = 69.8 + -38.16
12.5x = 69.8 + -38.16

Combine like terms: 69.8 + -38.16 = 31.64
12.5x = 31.64

Divide each side by '12.5'.
x = 2.5312

Simplifying
x = 2.5312

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