7(y-7)-7=-6(-3y+7)-3y

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Solution for 7(y-7)-7=-6(-3y+7)-3y equation:


Simplifying
7(y + -7) + -7 = -6(-3y + 7) + -3y

Reorder the terms:
7(-7 + y) + -7 = -6(-3y + 7) + -3y
(-7 * 7 + y * 7) + -7 = -6(-3y + 7) + -3y
(-49 + 7y) + -7 = -6(-3y + 7) + -3y

Reorder the terms:
-49 + -7 + 7y = -6(-3y + 7) + -3y

Combine like terms: -49 + -7 = -56
-56 + 7y = -6(-3y + 7) + -3y

Reorder the terms:
-56 + 7y = -6(7 + -3y) + -3y
-56 + 7y = (7 * -6 + -3y * -6) + -3y
-56 + 7y = (-42 + 18y) + -3y

Combine like terms: 18y + -3y = 15y
-56 + 7y = -42 + 15y

Solving
-56 + 7y = -42 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-56 + 7y + -15y = -42 + 15y + -15y

Combine like terms: 7y + -15y = -8y
-56 + -8y = -42 + 15y + -15y

Combine like terms: 15y + -15y = 0
-56 + -8y = -42 + 0
-56 + -8y = -42

Add '56' to each side of the equation.
-56 + 56 + -8y = -42 + 56

Combine like terms: -56 + 56 = 0
0 + -8y = -42 + 56
-8y = -42 + 56

Combine like terms: -42 + 56 = 14
-8y = 14

Divide each side by '-8'.
y = -1.75

Simplifying
y = -1.75

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