2(x-2)+5=21

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


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

Reorder the terms:
2(-2 + x) + 5 = 21
(-2 * 2 + x * 2) + 5 = 21
(-4 + 2x) + 5 = 21

Reorder the terms:
-4 + 5 + 2x = 21

Combine like terms: -4 + 5 = 1
1 + 2x = 21

Solving
1 + 2x = 21

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 2x = 21 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 21 + -1
2x = 21 + -1

Combine like terms: 21 + -1 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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