3x+1+2x+9=20

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Solution for 3x+1+2x+9=20 equation:


Simplifying
3x + 1 + 2x + 9 = 20

Reorder the terms:
1 + 9 + 3x + 2x = 20

Combine like terms: 1 + 9 = 10
10 + 3x + 2x = 20

Combine like terms: 3x + 2x = 5x
10 + 5x = 20

Solving
10 + 5x = 20

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 + 5x = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 5x = 20 + -10
5x = 20 + -10

Combine like terms: 20 + -10 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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