4y+3(7)=9

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Solution for 4y+3(7)=9 equation: 


Simplifying
4y + 3(7) = 9

Multiply 3 * 7
4y + 21 = 9

Reorder the terms:
21 + 4y = 9

Solving
21 + 4y = 9

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 4y = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 4y = 9 + -21
4y = 9 + -21

Combine like terms: 9 + -21 = -12
4y = -12

Divide each side by '4'.
y = -3

Simplifying
y = -3

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