5X-1(4X+6)=21

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Solution for 5X-1(4X+6)=21 equation:


Simplifying
5X + -1(4X + 6) = 21

Reorder the terms:
5X + -1(6 + 4X) = 21
5X + (6 * -1 + 4X * -1) = 21
5X + (-6 + -4X) = 21

Reorder the terms:
-6 + 5X + -4X = 21

Combine like terms: 5X + -4X = 1X
-6 + 1X = 21

Solving
-6 + 1X = 21

Solving for variable 'X'.

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

Add '6' to each side of the equation.
-6 + 6 + 1X = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 1X = 21 + 6
1X = 21 + 6

Combine like terms: 21 + 6 = 27
1X = 27

Divide each side by '1'.
X = 27

Simplifying
X = 27

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