6-8(5x+7)=9

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Solution for 6-8(5x+7)=9 equation:


Simplifying
6 + -8(5x + 7) = 9

Reorder the terms:
6 + -8(7 + 5x) = 9
6 + (7 * -8 + 5x * -8) = 9
6 + (-56 + -40x) = 9

Combine like terms: 6 + -56 = -50
-50 + -40x = 9

Solving
-50 + -40x = 9

Solving for variable 'x'.

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

Add '50' to each side of the equation.
-50 + 50 + -40x = 9 + 50

Combine like terms: -50 + 50 = 0
0 + -40x = 9 + 50
-40x = 9 + 50

Combine like terms: 9 + 50 = 59
-40x = 59

Divide each side by '-40'.
x = -1.475

Simplifying
x = -1.475

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