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

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


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

Reorder the terms:
3(-7 + -1X) = -2(2X + 5)
(-7 * 3 + -1X * 3) = -2(2X + 5)
(-21 + -3X) = -2(2X + 5)

Reorder the terms:
-21 + -3X = -2(5 + 2X)
-21 + -3X = (5 * -2 + 2X * -2)
-21 + -3X = (-10 + -4X)

Solving
-21 + -3X = -10 + -4X

Solving for variable 'X'.

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

Add '4X' to each side of the equation.
-21 + -3X + 4X = -10 + -4X + 4X

Combine like terms: -3X + 4X = 1X
-21 + 1X = -10 + -4X + 4X

Combine like terms: -4X + 4X = 0
-21 + 1X = -10 + 0
-21 + 1X = -10

Add '21' to each side of the equation.
-21 + 21 + 1X = -10 + 21

Combine like terms: -21 + 21 = 0
0 + 1X = -10 + 21
1X = -10 + 21

Combine like terms: -10 + 21 = 11
1X = 11

Divide each side by '1'.
X = 11

Simplifying
X = 11

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