-9+2(7x-3)=15

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Solution for -9+2(7x-3)=15 equation: 


Simplifying
-9 + 2(7x + -3) = 15

Reorder the terms:
-9 + 2(-3 + 7x) = 15
-9 + (-3 * 2 + 7x * 2) = 15
-9 + (-6 + 14x) = 15

Combine like terms: -9 + -6 = -15
-15 + 14x = 15

Solving
-15 + 14x = 15

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 14x = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 14x = 15 + 15
14x = 15 + 15

Combine like terms: 15 + 15 = 30
14x = 30

Divide each side by '14'.
x = 2.142857143

Simplifying
x = 2.142857143

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