(X+8)+(3x+10)=90

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Solution for (X+8)+(3x+10)=90 equation:


Simplifying
(X + 8) + (3x + 10) = 90

Reorder the terms:
(8 + X) + (3x + 10) = 90

Remove parenthesis around (8 + X)
8 + X + (3x + 10) = 90

Reorder the terms:
8 + X + (10 + 3x) = 90

Remove parenthesis around (10 + 3x)
8 + X + 10 + 3x = 90

Reorder the terms:
8 + 10 + X + 3x = 90

Combine like terms: 8 + 10 = 18
18 + X + 3x = 90

Solving
18 + X + 3x = 90

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + X + -18 + 3x = 90 + -18

Reorder the terms:
18 + -18 + X + 3x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + X + 3x = 90 + -18
X + 3x = 90 + -18

Combine like terms: 90 + -18 = 72
X + 3x = 72

Add '-3x' to each side of the equation.
X + 3x + -3x = 72 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 72 + -3x
X = 72 + -3x

Simplifying
X = 72 + -3x

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