-12[x-7]=3[x-17]

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Solution for -12[x-7]=3[x-17] equation:


Simplifying
-12[x + -7] = 3[x + -17]

Reorder the terms:
-12[-7 + x] = 3[x + -17]
[-7 * -12 + x * -12] = 3[x + -17]
[84 + -12x] = 3[x + -17]

Reorder the terms:
84 + -12x = 3[-17 + x]
84 + -12x = [-17 * 3 + x * 3]
84 + -12x = [-51 + 3x]

Solving
84 + -12x = -51 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
84 + -12x + -3x = -51 + 3x + -3x

Combine like terms: -12x + -3x = -15x
84 + -15x = -51 + 3x + -3x

Combine like terms: 3x + -3x = 0
84 + -15x = -51 + 0
84 + -15x = -51

Add '-84' to each side of the equation.
84 + -84 + -15x = -51 + -84

Combine like terms: 84 + -84 = 0
0 + -15x = -51 + -84
-15x = -51 + -84

Combine like terms: -51 + -84 = -135
-15x = -135

Divide each side by '-15'.
x = 9

Simplifying
x = 9

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