20+x+x+5=45

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Solution for 20+x+x+5=45 equation:


Simplifying
20 + x + x + 5 = 45

Reorder the terms:
20 + 5 + x + x = 45

Combine like terms: 20 + 5 = 25
25 + x + x = 45

Combine like terms: x + x = 2x
25 + 2x = 45

Solving
25 + 2x = 45

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 2x = 45 + -25

Combine like terms: 25 + -25 = 0
0 + 2x = 45 + -25
2x = 45 + -25

Combine like terms: 45 + -25 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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