-20-5=7-8X

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Solution for -20-5=7-8X equation:


Simplifying
-20 + -5 = 7 + -8X

Combine like terms: -20 + -5 = -25
-25 = 7 + -8X

Solving
-25 = 7 + -8X

Solving for variable 'X'.

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

Add '8X' to each side of the equation.
-25 + 8X = 7 + -8X + 8X

Combine like terms: -8X + 8X = 0
-25 + 8X = 7 + 0
-25 + 8X = 7

Add '25' to each side of the equation.
-25 + 25 + 8X = 7 + 25

Combine like terms: -25 + 25 = 0
0 + 8X = 7 + 25
8X = 7 + 25

Combine like terms: 7 + 25 = 32
8X = 32

Divide each side by '8'.
X = 4

Simplifying
X = 4

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