20=3(2x+1)+7

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Solution for 20=3(2x+1)+7 equation:


Simplifying
20 = 3(2x + 1) + 7

Reorder the terms:
20 = 3(1 + 2x) + 7
20 = (1 * 3 + 2x * 3) + 7
20 = (3 + 6x) + 7

Reorder the terms:
20 = 3 + 7 + 6x

Combine like terms: 3 + 7 = 10
20 = 10 + 6x

Solving
20 = 10 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
20 + -6x = 10 + 6x + -6x

Combine like terms: 6x + -6x = 0
20 + -6x = 10 + 0
20 + -6x = 10

Add '-20' to each side of the equation.
20 + -20 + -6x = 10 + -20

Combine like terms: 20 + -20 = 0
0 + -6x = 10 + -20
-6x = 10 + -20

Combine like terms: 10 + -20 = -10
-6x = -10

Divide each side by '-6'.
x = 1.666666667

Simplifying
x = 1.666666667

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