7x+2(x+6)=3

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Solution for 7x+2(x+6)=3 equation:


Simplifying
7x + 2(x + 6) = 3

Reorder the terms:
7x + 2(6 + x) = 3
7x + (6 * 2 + x * 2) = 3
7x + (12 + 2x) = 3

Reorder the terms:
12 + 7x + 2x = 3

Combine like terms: 7x + 2x = 9x
12 + 9x = 3

Solving
12 + 9x = 3

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 + 9x = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 3 + -12
9x = 3 + -12

Combine like terms: 3 + -12 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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