4y+3(21)=5

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Solution for 4y+3(21)=5 equation: 


Simplifying
4y + 3(21) = 5

Multiply 3 * 21
4y + 63 = 5

Reorder the terms:
63 + 4y = 5

Solving
63 + 4y = 5

Solving for variable 'y'.

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

Add '-63' to each side of the equation.
63 + -63 + 4y = 5 + -63

Combine like terms: 63 + -63 = 0
0 + 4y = 5 + -63
4y = 5 + -63

Combine like terms: 5 + -63 = -58
4y = -58

Divide each side by '4'.
y = -14.5

Simplifying
y = -14.5

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