7x-2(2x-1)=8

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Solution for 7x-2(2x-1)=8 equation:


Simplifying
7x + -2(2x + -1) = 8

Reorder the terms:
7x + -2(-1 + 2x) = 8
7x + (-1 * -2 + 2x * -2) = 8
7x + (2 + -4x) = 8

Reorder the terms:
2 + 7x + -4x = 8

Combine like terms: 7x + -4x = 3x
2 + 3x = 8

Solving
2 + 3x = 8

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 + 3x = 8 + -2

Combine like terms: 2 + -2 = 0
0 + 3x = 8 + -2
3x = 8 + -2

Combine like terms: 8 + -2 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

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