6x-(3x-7)=20

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Solution for 6x-(3x-7)=20 equation:


Simplifying
6x + -1(3x + -7) = 20

Reorder the terms:
6x + -1(-7 + 3x) = 20
6x + (-7 * -1 + 3x * -1) = 20
6x + (7 + -3x) = 20

Reorder the terms:
7 + 6x + -3x = 20

Combine like terms: 6x + -3x = 3x
7 + 3x = 20

Solving
7 + 3x = 20

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 3x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 20 + -7
3x = 20 + -7

Combine like terms: 20 + -7 = 13
3x = 13

Divide each side by '3'.
x = 4.333333333

Simplifying
x = 4.333333333

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