3(10+2y)7=

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Solution for 3(10+2y)7= equation:


Simplifying
3(10 + 2y) * 7 = 0

Reorder the terms for easier multiplication:
3 * 7(10 + 2y) = 0

Multiply 3 * 7
21(10 + 2y) = 0
(10 * 21 + 2y * 21) = 0
(210 + 42y) = 0

Solving
210 + 42y = 0

Solving for variable 'y'.

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

Add '-210' to each side of the equation.
210 + -210 + 42y = 0 + -210

Combine like terms: 210 + -210 = 0
0 + 42y = 0 + -210
42y = 0 + -210

Combine like terms: 0 + -210 = -210
42y = -210

Divide each side by '42'.
y = -5

Simplifying
y = -5

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