668=x+1.3x+5(1.3)x+5

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Solution for 668=x+1.3x+5(1.3)x+5 equation:


Simplifying
668 = x + 1.3x + 5(1.3) * x + 5

Multiply 5 * 1.3
668 = x + 1.3x + 6.5x + 5

Reorder the terms:
668 = 5 + x + 1.3x + 6.5x

Combine like terms: x + 1.3x = 2.3x
668 = 5 + 2.3x + 6.5x

Combine like terms: 2.3x + 6.5x = 8.8x
668 = 5 + 8.8x

Solving
668 = 5 + 8.8x

Solving for variable 'x'.

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

Add '-8.8x' to each side of the equation.
668 + -8.8x = 5 + 8.8x + -8.8x

Combine like terms: 8.8x + -8.8x = 0.0
668 + -8.8x = 5 + 0.0
668 + -8.8x = 5

Add '-668' to each side of the equation.
668 + -668 + -8.8x = 5 + -668

Combine like terms: 668 + -668 = 0
0 + -8.8x = 5 + -668
-8.8x = 5 + -668

Combine like terms: 5 + -668 = -663
-8.8x = -663

Divide each side by '-8.8'.
x = 75.34090909

Simplifying
x = 75.34090909

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