3x+2(x+1)=20

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Solution for 3x+2(x+1)=20 equation:


Simplifying
3x + 2(x + 1) = 20

Reorder the terms:
3x + 2(1 + x) = 20
3x + (1 * 2 + x * 2) = 20
3x + (2 + 2x) = 20

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

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

Solving
2 + 5x = 20

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 5x = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 5x = 20 + -2
5x = 20 + -2

Combine like terms: 20 + -2 = 18
5x = 18

Divide each side by '5'.
x = 3.6

Simplifying
x = 3.6

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