2(5x-5)-21=

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Solution for 2(5x-5)-21= equation:


Simplifying
2(5x + -5) + -21 = 0

Reorder the terms:
2(-5 + 5x) + -21 = 0
(-5 * 2 + 5x * 2) + -21 = 0
(-10 + 10x) + -21 = 0

Reorder the terms:
-10 + -21 + 10x = 0

Combine like terms: -10 + -21 = -31
-31 + 10x = 0

Solving
-31 + 10x = 0

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 10x = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 10x = 0 + 31
10x = 0 + 31

Combine like terms: 0 + 31 = 31
10x = 31

Divide each side by '10'.
x = 3.1

Simplifying
x = 3.1

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