1.06(1.21)(7-x)=8

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Solution for 1.06(1.21)(7-x)=8 equation: 


Simplifying
1.06(1.21)(7 + -1x) = 8

Multiply 1.06 * 1.21
1.2826(7 + -1x) = 8
(7 * 1.2826 + -1x * 1.2826) = 8
(8.9782 + -1.2826x) = 8

Solving
8.9782 + -1.2826x = 8

Solving for variable 'x'.

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

Add '-8.9782' to each side of the equation.
8.9782 + -8.9782 + -1.2826x = 8 + -8.9782

Combine like terms: 8.9782 + -8.9782 = 0.0000
0.0000 + -1.2826x = 8 + -8.9782
-1.2826x = 8 + -8.9782

Combine like terms: 8 + -8.9782 = -0.9782
-1.2826x = -0.9782

Divide each side by '-1.2826'.
x = 0.7626695774

Simplifying
x = 0.7626695774

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