3x-(9x-1)=4x+71

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Solution for 3x-(9x-1)=4x+71 equation:


Simplifying
3x + -1(9x + -1) = 4x + 71

Reorder the terms:
3x + -1(-1 + 9x) = 4x + 71
3x + (-1 * -1 + 9x * -1) = 4x + 71
3x + (1 + -9x) = 4x + 71

Reorder the terms:
1 + 3x + -9x = 4x + 71

Combine like terms: 3x + -9x = -6x
1 + -6x = 4x + 71

Reorder the terms:
1 + -6x = 71 + 4x

Solving
1 + -6x = 71 + 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 + -6x + -4x = 71 + 4x + -4x

Combine like terms: -6x + -4x = -10x
1 + -10x = 71 + 4x + -4x

Combine like terms: 4x + -4x = 0
1 + -10x = 71 + 0
1 + -10x = 71

Add '-1' to each side of the equation.
1 + -1 + -10x = 71 + -1

Combine like terms: 1 + -1 = 0
0 + -10x = 71 + -1
-10x = 71 + -1

Combine like terms: 71 + -1 = 70
-10x = 70

Divide each side by '-10'.
x = -7

Simplifying
x = -7

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