2x+5x-10=20

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Solution for 2x+5x-10=20 equation:


Simplifying
2x + 5x + -10 = 20

Reorder the terms:
-10 + 2x + 5x = 20

Combine like terms: 2x + 5x = 7x
-10 + 7x = 20

Solving
-10 + 7x = 20

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 + 7x = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 7x = 20 + 10
7x = 20 + 10

Combine like terms: 20 + 10 = 30
7x = 30

Divide each side by '7'.
x = 4.285714286

Simplifying
x = 4.285714286

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