8x+6+16x-21=21x+6

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Solution for 8x+6+16x-21=21x+6 equation:


Simplifying
8x + 6 + 16x + -21 = 21x + 6

Reorder the terms:
6 + -21 + 8x + 16x = 21x + 6

Combine like terms: 6 + -21 = -15
-15 + 8x + 16x = 21x + 6

Combine like terms: 8x + 16x = 24x
-15 + 24x = 21x + 6

Reorder the terms:
-15 + 24x = 6 + 21x

Solving
-15 + 24x = 6 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-15 + 24x + -21x = 6 + 21x + -21x

Combine like terms: 24x + -21x = 3x
-15 + 3x = 6 + 21x + -21x

Combine like terms: 21x + -21x = 0
-15 + 3x = 6 + 0
-15 + 3x = 6

Add '15' to each side of the equation.
-15 + 15 + 3x = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = 6 + 15
3x = 6 + 15

Combine like terms: 6 + 15 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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