7(x+1)+3=9x

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


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

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

Reorder the terms:
7 + 3 + 7x = 9x

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

Solving
10 + 7x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
10 + 7x + -9x = 9x + -9x

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

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

Add '-10' to each side of the equation.
10 + -10 + -2x = 0 + -10

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

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

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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