2(x-7)=21

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Solution for 2(x-7)=21 equation:


Simplifying
2(x + -7) = 21

Reorder the terms:
2(-7 + x) = 21
(-7 * 2 + x * 2) = 21
(-14 + 2x) = 21

Solving
-14 + 2x = 21

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 2x = 21 + 14

Combine like terms: -14 + 14 = 0
0 + 2x = 21 + 14
2x = 21 + 14

Combine like terms: 21 + 14 = 35
2x = 35

Divide each side by '2'.
x = 17.5

Simplifying
x = 17.5

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