-2(3y-7)=21

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Solution for -2(3y-7)=21 equation:


Simplifying
-2(3y + -7) = 21

Reorder the terms:
-2(-7 + 3y) = 21
(-7 * -2 + 3y * -2) = 21
(14 + -6y) = 21

Solving
14 + -6y = 21

Solving for variable 'y'.

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

Add '-14' to each side of the equation.
14 + -14 + -6y = 21 + -14

Combine like terms: 14 + -14 = 0
0 + -6y = 21 + -14
-6y = 21 + -14

Combine like terms: 21 + -14 = 7
-6y = 7

Divide each side by '-6'.
y = -1.166666667

Simplifying
y = -1.166666667

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