2(3x-1)-(x-4)=7

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Solution for 2(3x-1)-(x-4)=7 equation:


Simplifying
2(3x + -1) + -1(x + -4) = 7

Reorder the terms:
2(-1 + 3x) + -1(x + -4) = 7
(-1 * 2 + 3x * 2) + -1(x + -4) = 7
(-2 + 6x) + -1(x + -4) = 7

Reorder the terms:
-2 + 6x + -1(-4 + x) = 7
-2 + 6x + (-4 * -1 + x * -1) = 7
-2 + 6x + (4 + -1x) = 7

Reorder the terms:
-2 + 4 + 6x + -1x = 7

Combine like terms: -2 + 4 = 2
2 + 6x + -1x = 7

Combine like terms: 6x + -1x = 5x
2 + 5x = 7

Solving
2 + 5x = 7

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 5x = 7 + -2

Combine like terms: 2 + -2 = 0
0 + 5x = 7 + -2
5x = 7 + -2

Combine like terms: 7 + -2 = 5
5x = 5

Divide each side by '5'.
x = 1

Simplifying
x = 1

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