7(y+5)-3(y+4)=19

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Solution for 7(y+5)-3(y+4)=19 equation:


Simplifying
7(y + 5) + -3(y + 4) = 19

Reorder the terms:
7(5 + y) + -3(y + 4) = 19
(5 * 7 + y * 7) + -3(y + 4) = 19
(35 + 7y) + -3(y + 4) = 19

Reorder the terms:
35 + 7y + -3(4 + y) = 19
35 + 7y + (4 * -3 + y * -3) = 19
35 + 7y + (-12 + -3y) = 19

Reorder the terms:
35 + -12 + 7y + -3y = 19

Combine like terms: 35 + -12 = 23
23 + 7y + -3y = 19

Combine like terms: 7y + -3y = 4y
23 + 4y = 19

Solving
23 + 4y = 19

Solving for variable 'y'.

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

Add '-23' to each side of the equation.
23 + -23 + 4y = 19 + -23

Combine like terms: 23 + -23 = 0
0 + 4y = 19 + -23
4y = 19 + -23

Combine like terms: 19 + -23 = -4
4y = -4

Divide each side by '4'.
y = -1

Simplifying
y = -1

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