7y-(4y-13)=4

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Solution for 7y-(4y-13)=4 equation:


Simplifying
7y + -1(4y + -13) = 4

Reorder the terms:
7y + -1(-13 + 4y) = 4
7y + (-13 * -1 + 4y * -1) = 4
7y + (13 + -4y) = 4

Reorder the terms:
13 + 7y + -4y = 4

Combine like terms: 7y + -4y = 3y
13 + 3y = 4

Solving
13 + 3y = 4

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + 3y = 4 + -13

Combine like terms: 13 + -13 = 0
0 + 3y = 4 + -13
3y = 4 + -13

Combine like terms: 4 + -13 = -9
3y = -9

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

Simplifying
y = -3

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