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

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


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

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

Combine like terms: 9 + 1 = 10
9(10 + X) = 7(7 + 2x + 3)
(10 * 9 + X * 9) = 7(7 + 2x + 3)
(90 + 9X) = 7(7 + 2x + 3)

Reorder the terms:
90 + 9X = 7(7 + 3 + 2x)

Combine like terms: 7 + 3 = 10
90 + 9X = 7(10 + 2x)
90 + 9X = (10 * 7 + 2x * 7)
90 + 9X = (70 + 14x)

Solving
90 + 9X = 70 + 14x

Solving for variable 'X'.

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

Add '-90' to each side of the equation.
90 + -90 + 9X = 70 + -90 + 14x

Combine like terms: 90 + -90 = 0
0 + 9X = 70 + -90 + 14x
9X = 70 + -90 + 14x

Combine like terms: 70 + -90 = -20
9X = -20 + 14x

Divide each side by '9'.
X = -2.222222222 + 1.555555556x

Simplifying
X = -2.222222222 + 1.555555556x

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