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

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


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

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

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

Combine like terms: 4x + 6x = 10x
21 + 10x = 81

Solving
21 + 10x = 81

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 10x = 81 + -21

Combine like terms: 21 + -21 = 0
0 + 10x = 81 + -21
10x = 81 + -21

Combine like terms: 81 + -21 = 60
10x = 60

Divide each side by '10'.
x = 6

Simplifying
x = 6

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