4y-9+4(9y-3)=219

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Solution for 4y-9+4(9y-3)=219 equation: 


Simplifying
4y + -9 + 4(9y + -3) = 219

Reorder the terms:
4y + -9 + 4(-3 + 9y) = 219
4y + -9 + (-3 * 4 + 9y * 4) = 219
4y + -9 + (-12 + 36y) = 219

Reorder the terms:
-9 + -12 + 4y + 36y = 219

Combine like terms: -9 + -12 = -21
-21 + 4y + 36y = 219

Combine like terms: 4y + 36y = 40y
-21 + 40y = 219

Solving
-21 + 40y = 219

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 40y = 219 + 21

Combine like terms: -21 + 21 = 0
0 + 40y = 219 + 21
40y = 219 + 21

Combine like terms: 219 + 21 = 240
40y = 240

Divide each side by '40'.
y = 6

Simplifying
y = 6

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