9(X+7)=5[X-(2-X)]

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Solution for 9(X+7)=5[X-(2-X)] equation:


Simplifying
9(X + 7) = 5[X + -1(2 + -1X)]

Reorder the terms:
9(7 + X) = 5[X + -1(2 + -1X)]
(7 * 9 + X * 9) = 5[X + -1(2 + -1X)]
(63 + 9X) = 5[X + -1(2 + -1X)]
63 + 9X = 5[X + (2 * -1 + -1X * -1)]
63 + 9X = 5[X + (-2 + 1X)]

Reorder the terms:
63 + 9X = 5[-2 + X + 1X]

Combine like terms: X + 1X = 2X
63 + 9X = 5[-2 + 2X]
63 + 9X = [-2 * 5 + 2X * 5]
63 + 9X = [-10 + 10X]

Solving
63 + 9X = -10 + 10X

Solving for variable 'X'.

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

Add '-10X' to each side of the equation.
63 + 9X + -10X = -10 + 10X + -10X

Combine like terms: 9X + -10X = -1X
63 + -1X = -10 + 10X + -10X

Combine like terms: 10X + -10X = 0
63 + -1X = -10 + 0
63 + -1X = -10

Add '-63' to each side of the equation.
63 + -63 + -1X = -10 + -63

Combine like terms: 63 + -63 = 0
0 + -1X = -10 + -63
-1X = -10 + -63

Combine like terms: -10 + -63 = -73
-1X = -73

Divide each side by '-1'.
X = 73

Simplifying
X = 73

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