12y+5(6y+7)=20*10+3

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Solution for 12y+5(6y+7)=20*10+3 equation:


Simplifying
12y + 5(6y + 7) = 20 * 10 + 3

Reorder the terms:
12y + 5(7 + 6y) = 20 * 10 + 3
12y + (7 * 5 + 6y * 5) = 20 * 10 + 3
12y + (35 + 30y) = 20 * 10 + 3

Reorder the terms:
35 + 12y + 30y = 20 * 10 + 3

Combine like terms: 12y + 30y = 42y
35 + 42y = 20 * 10 + 3

Multiply 20 * 10
35 + 42y = 200 + 3

Combine like terms: 200 + 3 = 203
35 + 42y = 203

Solving
35 + 42y = 203

Solving for variable 'y'.

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

Add '-35' to each side of the equation.
35 + -35 + 42y = 203 + -35

Combine like terms: 35 + -35 = 0
0 + 42y = 203 + -35
42y = 203 + -35

Combine like terms: 203 + -35 = 168
42y = 168

Divide each side by '42'.
y = 4

Simplifying
y = 4

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