3(11)-7y=21

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Solution for 3(11)-7y=21 equation: 


Simplifying
3(11) + -7y = 21

Multiply 3 * 11
33 + -7y = 21

Solving
33 + -7y = 21

Solving for variable 'y'.

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

Add '-33' to each side of the equation.
33 + -33 + -7y = 21 + -33

Combine like terms: 33 + -33 = 0
0 + -7y = 21 + -33
-7y = 21 + -33

Combine like terms: 21 + -33 = -12
-7y = -12

Divide each side by '-7'.
y = 1.714285714

Simplifying
y = 1.714285714

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