3y+49=7(y+3)

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Solution for 3y+49=7(y+3) equation:


Simplifying
3y + 49 = 7(y + 3)

Reorder the terms:
49 + 3y = 7(y + 3)

Reorder the terms:
49 + 3y = 7(3 + y)
49 + 3y = (3 * 7 + y * 7)
49 + 3y = (21 + 7y)

Solving
49 + 3y = 21 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
49 + 3y + -7y = 21 + 7y + -7y

Combine like terms: 3y + -7y = -4y
49 + -4y = 21 + 7y + -7y

Combine like terms: 7y + -7y = 0
49 + -4y = 21 + 0
49 + -4y = 21

Add '-49' to each side of the equation.
49 + -49 + -4y = 21 + -49

Combine like terms: 49 + -49 = 0
0 + -4y = 21 + -49
-4y = 21 + -49

Combine like terms: 21 + -49 = -28
-4y = -28

Divide each side by '-4'.
y = 7

Simplifying
y = 7

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