12+1(x+9)=7

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Solution for 12+1(x+9)=7 equation: 


Simplifying
12 + 1(x + 9) = 7

Reorder the terms:
12 + 1(9 + x) = 7
12 + (9 * 1 + x * 1) = 7
12 + (9 + 1x) = 7

Combine like terms: 12 + 9 = 21
21 + 1x = 7

Solving
21 + 1x = 7

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 + 1x = 7 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 7 + -21
1x = 7 + -21

Combine like terms: 7 + -21 = -14
1x = -14

Divide each side by '1'.
x = -14

Simplifying
x = -14

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