X+(X+3)+30=90

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Solution for X+(X+3)+30=90 equation:


Simplifying
X + (X + 3) + 30 = 90

Reorder the terms:
X + (3 + X) + 30 = 90

Remove parenthesis around (3 + X)
X + 3 + X + 30 = 90

Reorder the terms:
3 + 30 + X + X = 90

Combine like terms: 3 + 30 = 33
33 + X + X = 90

Combine like terms: X + X = 2X
33 + 2X = 90

Solving
33 + 2X = 90

Solving for variable 'X'.

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

Add '-33' to each side of the equation.
33 + -33 + 2X = 90 + -33

Combine like terms: 33 + -33 = 0
0 + 2X = 90 + -33
2X = 90 + -33

Combine like terms: 90 + -33 = 57
2X = 57

Divide each side by '2'.
X = 28.5

Simplifying
X = 28.5

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