6x+10.5=x+21

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Solution for 6x+10.5=x+21 equation: 


Simplifying
6x + 10.5 = x + 21

Reorder the terms:
10.5 + 6x = x + 21

Reorder the terms:
10.5 + 6x = 21 + x

Solving
10.5 + 6x = 21 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
10.5 + 6x + -1x = 21 + x + -1x

Combine like terms: 6x + -1x = 5x
10.5 + 5x = 21 + x + -1x

Combine like terms: x + -1x = 0
10.5 + 5x = 21 + 0
10.5 + 5x = 21

Add '-10.5' to each side of the equation.
10.5 + -10.5 + 5x = 21 + -10.5

Combine like terms: 10.5 + -10.5 = 0.0
0.0 + 5x = 21 + -10.5
5x = 21 + -10.5

Combine like terms: 21 + -10.5 = 10.5
5x = 10.5

Divide each side by '5'.
x = 2.1

Simplifying
x = 2.1

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