3-(X-7)+5=2(X+9)

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Solution for 3-(X-7)+5=2(X+9) equation:


Simplifying
3 + -1(X + -7) + 5 = 2(X + 9)

Reorder the terms:
3 + -1(-7 + X) + 5 = 2(X + 9)
3 + (-7 * -1 + X * -1) + 5 = 2(X + 9)
3 + (7 + -1X) + 5 = 2(X + 9)

Reorder the terms:
3 + 7 + 5 + -1X = 2(X + 9)

Combine like terms: 3 + 7 = 10
10 + 5 + -1X = 2(X + 9)

Combine like terms: 10 + 5 = 15
15 + -1X = 2(X + 9)

Reorder the terms:
15 + -1X = 2(9 + X)
15 + -1X = (9 * 2 + X * 2)
15 + -1X = (18 + 2X)

Solving
15 + -1X = 18 + 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.
15 + -1X + -2X = 18 + 2X + -2X

Combine like terms: -1X + -2X = -3X
15 + -3X = 18 + 2X + -2X

Combine like terms: 2X + -2X = 0
15 + -3X = 18 + 0
15 + -3X = 18

Add '-15' to each side of the equation.
15 + -15 + -3X = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -3X = 18 + -15
-3X = 18 + -15

Combine like terms: 18 + -15 = 3
-3X = 3

Divide each side by '-3'.
X = -1

Simplifying
X = -1

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