4+7(2x+1)=81

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Solution for 4+7(2x+1)=81 equation:


Simplifying
4 + 7(2x + 1) = 81

Reorder the terms:
4 + 7(1 + 2x) = 81
4 + (1 * 7 + 2x * 7) = 81
4 + (7 + 14x) = 81

Combine like terms: 4 + 7 = 11
11 + 14x = 81

Solving
11 + 14x = 81

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 14x = 81 + -11

Combine like terms: 11 + -11 = 0
0 + 14x = 81 + -11
14x = 81 + -11

Combine like terms: 81 + -11 = 70
14x = 70

Divide each side by '14'.
x = 5

Simplifying
x = 5

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