2.5+2.5x=20

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Solution for 2.5+2.5x=20 equation: 


Simplifying
2.5 + 2.5x = 20

Solving
2.5 + 2.5x = 20

Solving for variable 'x'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 2.5x = 20 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 2.5x = 20 + -2.5
2.5x = 20 + -2.5

Combine like terms: 20 + -2.5 = 17.5
2.5x = 17.5

Divide each side by '2.5'.
x = 7

Simplifying
x = 7

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