8X+15=(3X+20)+(4X+5)

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Solution for 8X+15=(3X+20)+(4X+5) equation: 


Simplifying
8X + 15 = (3X + 20) + (4X + 5)

Reorder the terms:
15 + 8X = (3X + 20) + (4X + 5)

Reorder the terms:
15 + 8X = (20 + 3X) + (4X + 5)

Remove parenthesis around (20 + 3X)
15 + 8X = 20 + 3X + (4X + 5)

Reorder the terms:
15 + 8X = 20 + 3X + (5 + 4X)

Remove parenthesis around (5 + 4X)
15 + 8X = 20 + 3X + 5 + 4X

Reorder the terms:
15 + 8X = 20 + 5 + 3X + 4X

Combine like terms: 20 + 5 = 25
15 + 8X = 25 + 3X + 4X

Combine like terms: 3X + 4X = 7X
15 + 8X = 25 + 7X

Solving
15 + 8X = 25 + 7X

Solving for variable 'X'.

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

Add '-7X' to each side of the equation.
15 + 8X + -7X = 25 + 7X + -7X

Combine like terms: 8X + -7X = 1X
15 + 1X = 25 + 7X + -7X

Combine like terms: 7X + -7X = 0
15 + 1X = 25 + 0
15 + 1X = 25

Add '-15' to each side of the equation.
15 + -15 + 1X = 25 + -15

Combine like terms: 15 + -15 = 0
0 + 1X = 25 + -15
1X = 25 + -15

Combine like terms: 25 + -15 = 10
1X = 10

Divide each side by '1'.
X = 10

Simplifying
X = 10

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