3(2x-5)-10=20

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Solution for 3(2x-5)-10=20 equation:


Simplifying
3(2x + -5) + -10 = 20

Reorder the terms:
3(-5 + 2x) + -10 = 20
(-5 * 3 + 2x * 3) + -10 = 20
(-15 + 6x) + -10 = 20

Reorder the terms:
-15 + -10 + 6x = 20

Combine like terms: -15 + -10 = -25
-25 + 6x = 20

Solving
-25 + 6x = 20

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 + 6x = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 6x = 20 + 25
6x = 20 + 25

Combine like terms: 20 + 25 = 45
6x = 45

Divide each side by '6'.
x = 7.5

Simplifying
x = 7.5

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