4x-(1+3x)=-9

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Solution for 4x-(1+3x)=-9 equation:


Simplifying
4x + -1(1 + 3x) = -9
4x + (1 * -1 + 3x * -1) = -9
4x + (-1 + -3x) = -9

Reorder the terms:
-1 + 4x + -3x = -9

Combine like terms: 4x + -3x = 1x
-1 + 1x = -9

Solving
-1 + 1x = -9

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 1x = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = -9 + 1
1x = -9 + 1

Combine like terms: -9 + 1 = -8
1x = -8

Divide each side by '1'.
x = -8

Simplifying
x = -8

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