4x+2x-10=21

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Solution for 4x+2x-10=21 equation:


Simplifying
4x + 2x + -10 = 21

Reorder the terms:
-10 + 4x + 2x = 21

Combine like terms: 4x + 2x = 6x
-10 + 6x = 21

Solving
-10 + 6x = 21

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 6x = 21 + 10

Combine like terms: -10 + 10 = 0
0 + 6x = 21 + 10
6x = 21 + 10

Combine like terms: 21 + 10 = 31
6x = 31

Divide each side by '6'.
x = 5.166666667

Simplifying
x = 5.166666667

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