4x+2+9x+6=21

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Solution for 4x+2+9x+6=21 equation:


Simplifying
4x + 2 + 9x + 6 = 21

Reorder the terms:
2 + 6 + 4x + 9x = 21

Combine like terms: 2 + 6 = 8
8 + 4x + 9x = 21

Combine like terms: 4x + 9x = 13x
8 + 13x = 21

Solving
8 + 13x = 21

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 13x = 21 + -8

Combine like terms: 8 + -8 = 0
0 + 13x = 21 + -8
13x = 21 + -8

Combine like terms: 21 + -8 = 13
13x = 13

Divide each side by '13'.
x = 1

Simplifying
x = 1

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