(5y+4)-(2+4y)=7

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Solution for (5y+4)-(2+4y)=7 equation:


Simplifying
(5y + 4) + -1(2 + 4y) = 7

Reorder the terms:
(4 + 5y) + -1(2 + 4y) = 7

Remove parenthesis around (4 + 5y)
4 + 5y + -1(2 + 4y) = 7
4 + 5y + (2 * -1 + 4y * -1) = 7
4 + 5y + (-2 + -4y) = 7

Reorder the terms:
4 + -2 + 5y + -4y = 7

Combine like terms: 4 + -2 = 2
2 + 5y + -4y = 7

Combine like terms: 5y + -4y = 1y
2 + 1y = 7

Solving
2 + 1y = 7

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 1y = 7 + -2

Combine like terms: 2 + -2 = 0
0 + 1y = 7 + -2
1y = 7 + -2

Combine like terms: 7 + -2 = 5
1y = 5

Divide each side by '1'.
y = 5

Simplifying
y = 5

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