7x+3(x+4)=82

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Solution for 7x+3(x+4)=82 equation:


Simplifying
7x + 3(x + 4) = 82

Reorder the terms:
7x + 3(4 + x) = 82
7x + (4 * 3 + x * 3) = 82
7x + (12 + 3x) = 82

Reorder the terms:
12 + 7x + 3x = 82

Combine like terms: 7x + 3x = 10x
12 + 10x = 82

Solving
12 + 10x = 82

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 10x = 82 + -12

Combine like terms: 12 + -12 = 0
0 + 10x = 82 + -12
10x = 82 + -12

Combine like terms: 82 + -12 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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