9+3(x+1)=25

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Solution for 9+3(x+1)=25 equation: 


Simplifying
9 + 3(x + 1) = 25

Reorder the terms:
9 + 3(1 + x) = 25
9 + (1 * 3 + x * 3) = 25
9 + (3 + 3x) = 25

Combine like terms: 9 + 3 = 12
12 + 3x = 25

Solving
12 + 3x = 25

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 + 3x = 25 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 25 + -12
3x = 25 + -12

Combine like terms: 25 + -12 = 13
3x = 13

Divide each side by '3'.
x = 4.333333333

Simplifying
x = 4.333333333

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