-6+18=7-1(4x+9)

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Solution for -6+18=7-1(4x+9) equation:


Simplifying
-6 + 18 = 7 + -1(4x + 9)

Combine like terms: -6 + 18 = 12
12 = 7 + -1(4x + 9)

Reorder the terms:
12 = 7 + -1(9 + 4x)
12 = 7 + (9 * -1 + 4x * -1)
12 = 7 + (-9 + -4x)

Combine like terms: 7 + -9 = -2
12 = -2 + -4x

Solving
12 = -2 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 4x = -2 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 4x = -2 + 0
12 + 4x = -2

Add '-12' to each side of the equation.
12 + -12 + 4x = -2 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = -2 + -12
4x = -2 + -12

Combine like terms: -2 + -12 = -14
4x = -14

Divide each side by '4'.
x = -3.5

Simplifying
x = -3.5

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