4x+3(7x+2)=81

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Solution for 4x+3(7x+2)=81 equation:


Simplifying
4x + 3(7x + 2) = 81

Reorder the terms:
4x + 3(2 + 7x) = 81
4x + (2 * 3 + 7x * 3) = 81
4x + (6 + 21x) = 81

Reorder the terms:
6 + 4x + 21x = 81

Combine like terms: 4x + 21x = 25x
6 + 25x = 81

Solving
6 + 25x = 81

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 25x = 81 + -6

Combine like terms: 6 + -6 = 0
0 + 25x = 81 + -6
25x = 81 + -6

Combine like terms: 81 + -6 = 75
25x = 75

Divide each side by '25'.
x = 3

Simplifying
x = 3

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