X+3+7=40

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Solution for X+3+7=40 equation: 


Simplifying
X + 3 + 7 = 40

Reorder the terms:
3 + 7 + X = 40

Combine like terms: 3 + 7 = 10
10 + X = 40

Solving
10 + X = 40

Solving for variable 'X'.

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

Add '-10' to each side of the equation.
10 + -10 + X = 40 + -10

Combine like terms: 10 + -10 = 0
0 + X = 40 + -10
X = 40 + -10

Combine like terms: 40 + -10 = 30
X = 30

Simplifying
X = 30

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