75=15x-6(6x+7)

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Solution for 75=15x-6(6x+7) equation:


Simplifying
75 = 15x + -6(6x + 7)

Reorder the terms:
75 = 15x + -6(7 + 6x)
75 = 15x + (7 * -6 + 6x * -6)
75 = 15x + (-42 + -36x)

Reorder the terms:
75 = -42 + 15x + -36x

Combine like terms: 15x + -36x = -21x
75 = -42 + -21x

Solving
75 = -42 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
75 + 21x = -42 + -21x + 21x

Combine like terms: -21x + 21x = 0
75 + 21x = -42 + 0
75 + 21x = -42

Add '-75' to each side of the equation.
75 + -75 + 21x = -42 + -75

Combine like terms: 75 + -75 = 0
0 + 21x = -42 + -75
21x = -42 + -75

Combine like terms: -42 + -75 = -117
21x = -117

Divide each side by '21'.
x = -5.571428571

Simplifying
x = -5.571428571

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