(7x-2)-(17x+6)=78

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Solution for (7x-2)-(17x+6)=78 equation:


Simplifying
(7x + -2) + -1(17x + 6) = 78

Reorder the terms:
(-2 + 7x) + -1(17x + 6) = 78

Remove parenthesis around (-2 + 7x)
-2 + 7x + -1(17x + 6) = 78

Reorder the terms:
-2 + 7x + -1(6 + 17x) = 78
-2 + 7x + (6 * -1 + 17x * -1) = 78
-2 + 7x + (-6 + -17x) = 78

Reorder the terms:
-2 + -6 + 7x + -17x = 78

Combine like terms: -2 + -6 = -8
-8 + 7x + -17x = 78

Combine like terms: 7x + -17x = -10x
-8 + -10x = 78

Solving
-8 + -10x = 78

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + -10x = 78 + 8

Combine like terms: -8 + 8 = 0
0 + -10x = 78 + 8
-10x = 78 + 8

Combine like terms: 78 + 8 = 86
-10x = 86

Divide each side by '-10'.
x = -8.6

Simplifying
x = -8.6

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