7+3(x+1)=2x+9

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Solution for 7+3(x+1)=2x+9 equation:


Simplifying
7 + 3(x + 1) = 2x + 9

Reorder the terms:
7 + 3(1 + x) = 2x + 9
7 + (1 * 3 + x * 3) = 2x + 9
7 + (3 + 3x) = 2x + 9

Combine like terms: 7 + 3 = 10
10 + 3x = 2x + 9

Reorder the terms:
10 + 3x = 9 + 2x

Solving
10 + 3x = 9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
10 + 3x + -2x = 9 + 2x + -2x

Combine like terms: 3x + -2x = 1x
10 + 1x = 9 + 2x + -2x

Combine like terms: 2x + -2x = 0
10 + 1x = 9 + 0
10 + 1x = 9

Add '-10' to each side of the equation.
10 + -10 + 1x = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 1x = 9 + -10
1x = 9 + -10

Combine like terms: 9 + -10 = -1
1x = -1

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

Simplifying
x = -1

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