20-(3y)5+7(6)=17

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Solution for 20-(3y)5+7(6)=17 equation:


Simplifying
20 + -1(3y) * 5 + 7(6) = 17

Remove parenthesis around (3y)
20 + -1 * 3y * 5 + 7(6) = 17

Reorder the terms for easier multiplication:
20 + -1 * 3 * 5y + 7(6) = 17

Multiply -1 * 3
20 + -3 * 5y + 7(6) = 17

Multiply -3 * 5
20 + -15y + 7(6) = 17

Multiply 7 * 6
20 + -15y + 42 = 17

Reorder the terms:
20 + 42 + -15y = 17

Combine like terms: 20 + 42 = 62
62 + -15y = 17

Solving
62 + -15y = 17

Solving for variable 'y'.

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

Add '-62' to each side of the equation.
62 + -62 + -15y = 17 + -62

Combine like terms: 62 + -62 = 0
0 + -15y = 17 + -62
-15y = 17 + -62

Combine like terms: 17 + -62 = -45
-15y = -45

Divide each side by '-15'.
y = 3

Simplifying
y = 3

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