20x-(6x-7)=49

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Solution for 20x-(6x-7)=49 equation:


Simplifying
20x + -1(6x + -7) = 49

Reorder the terms:
20x + -1(-7 + 6x) = 49
20x + (-7 * -1 + 6x * -1) = 49
20x + (7 + -6x) = 49

Reorder the terms:
7 + 20x + -6x = 49

Combine like terms: 20x + -6x = 14x
7 + 14x = 49

Solving
7 + 14x = 49

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 + 14x = 49 + -7

Combine like terms: 7 + -7 = 0
0 + 14x = 49 + -7
14x = 49 + -7

Combine like terms: 49 + -7 = 42
14x = 42

Divide each side by '14'.
x = 3

Simplifying
x = 3

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