75=15x-6(x+7)

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


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

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

Reorder the terms:
75 = -42 + 15x + -6x

Combine like terms: 15x + -6x = 9x
75 = -42 + 9x

Solving
75 = -42 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
75 + -9x = -42 + 9x + -9x

Combine like terms: 9x + -9x = 0
75 + -9x = -42 + 0
75 + -9x = -42

Add '-75' to each side of the equation.
75 + -75 + -9x = -42 + -75

Combine like terms: 75 + -75 = 0
0 + -9x = -42 + -75
-9x = -42 + -75

Combine like terms: -42 + -75 = -117
-9x = -117

Divide each side by '-9'.
x = 13

Simplifying
x = 13

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