6X+21=16X-69

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Solution for 6X+21=16X-69 equation:


Simplifying
6X + 21 = 16X + -69

Reorder the terms:
21 + 6X = 16X + -69

Reorder the terms:
21 + 6X = -69 + 16X

Solving
21 + 6X = -69 + 16X

Solving for variable 'X'.

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

Add '-16X' to each side of the equation.
21 + 6X + -16X = -69 + 16X + -16X

Combine like terms: 6X + -16X = -10X
21 + -10X = -69 + 16X + -16X

Combine like terms: 16X + -16X = 0
21 + -10X = -69 + 0
21 + -10X = -69

Add '-21' to each side of the equation.
21 + -21 + -10X = -69 + -21

Combine like terms: 21 + -21 = 0
0 + -10X = -69 + -21
-10X = -69 + -21

Combine like terms: -69 + -21 = -90
-10X = -90

Divide each side by '-10'.
X = 9

Simplifying
X = 9

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