3(5y-7)+2(4y+7)=

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Solution for 3(5y-7)+2(4y+7)= equation:


Simplifying
3(5y + -7) + 2(4y + 7) = 0

Reorder the terms:
3(-7 + 5y) + 2(4y + 7) = 0
(-7 * 3 + 5y * 3) + 2(4y + 7) = 0
(-21 + 15y) + 2(4y + 7) = 0

Reorder the terms:
-21 + 15y + 2(7 + 4y) = 0
-21 + 15y + (7 * 2 + 4y * 2) = 0
-21 + 15y + (14 + 8y) = 0

Reorder the terms:
-21 + 14 + 15y + 8y = 0

Combine like terms: -21 + 14 = -7
-7 + 15y + 8y = 0

Combine like terms: 15y + 8y = 23y
-7 + 23y = 0

Solving
-7 + 23y = 0

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + 23y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 23y = 0 + 7
23y = 0 + 7

Combine like terms: 0 + 7 = 7
23y = 7

Divide each side by '23'.
y = 0.3043478261

Simplifying
y = 0.3043478261

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