4(7)+7y=84

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Solution for 4(7)+7y=84 equation: 


Simplifying
4(7) + 7y = 84

Multiply 4 * 7
28 + 7y = 84

Solving
28 + 7y = 84

Solving for variable 'y'.

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

Add '-28' to each side of the equation.
28 + -28 + 7y = 84 + -28

Combine like terms: 28 + -28 = 0
0 + 7y = 84 + -28
7y = 84 + -28

Combine like terms: 84 + -28 = 56
7y = 56

Divide each side by '7'.
y = 8

Simplifying
y = 8

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