16x+21=28x+9

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Solution for 16x+21=28x+9 equation:


Simplifying
16x + 21 = 28x + 9

Reorder the terms:
21 + 16x = 28x + 9

Reorder the terms:
21 + 16x = 9 + 28x

Solving
21 + 16x = 9 + 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
21 + 16x + -28x = 9 + 28x + -28x

Combine like terms: 16x + -28x = -12x
21 + -12x = 9 + 28x + -28x

Combine like terms: 28x + -28x = 0
21 + -12x = 9 + 0
21 + -12x = 9

Add '-21' to each side of the equation.
21 + -21 + -12x = 9 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = 9 + -21
-12x = 9 + -21

Combine like terms: 9 + -21 = -12
-12x = -12

Divide each side by '-12'.
x = 1

Simplifying
x = 1

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