2x+3(5)=20

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Solution for 2x+3(5)=20 equation: 


Simplifying
2x + 3(5) = 20

Multiply 3 * 5
2x + 15 = 20

Reorder the terms:
15 + 2x = 20

Solving
15 + 2x = 20

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 20 + -15
2x = 20 + -15

Combine like terms: 20 + -15 = 5
2x = 5

Divide each side by '2'.
x = 2.5

Simplifying
x = 2.5

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