1=x+3(x-9)

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Solution for 1=x+3(x-9) equation:


Simplifying
1 = x + 3(x + -9)

Reorder the terms:
1 = x + 3(-9 + x)
1 = x + (-9 * 3 + x * 3)
1 = x + (-27 + 3x)

Reorder the terms:
1 = -27 + x + 3x

Combine like terms: x + 3x = 4x
1 = -27 + 4x

Solving
1 = -27 + 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.
1 + -4x = -27 + 4x + -4x

Combine like terms: 4x + -4x = 0
1 + -4x = -27 + 0
1 + -4x = -27

Add '-1' to each side of the equation.
1 + -1 + -4x = -27 + -1

Combine like terms: 1 + -1 = 0
0 + -4x = -27 + -1
-4x = -27 + -1

Combine like terms: -27 + -1 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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