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

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


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

Combine like terms: 17 + 6 = 23
78 = (23) + -1(7x + -2)
78 = 23 + -1(7x + -2)

Reorder the terms:
78 = 23 + -1(-2 + 7x)
78 = 23 + (-2 * -1 + 7x * -1)
78 = 23 + (2 + -7x)

Combine like terms: 23 + 2 = 25
78 = 25 + -7x

Solving
78 = 25 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
78 + 7x = 25 + -7x + 7x

Combine like terms: -7x + 7x = 0
78 + 7x = 25 + 0
78 + 7x = 25

Add '-78' to each side of the equation.
78 + -78 + 7x = 25 + -78

Combine like terms: 78 + -78 = 0
0 + 7x = 25 + -78
7x = 25 + -78

Combine like terms: 25 + -78 = -53
7x = -53

Divide each side by '7'.
x = -7.571428571

Simplifying
x = -7.571428571

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