4.2y-5=4+2(2.3y+4)

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Solution for 4.2y-5=4+2(2.3y+4) equation:


Simplifying
4.2y + -5 = 4 + 2(2.3y + 4)

Reorder the terms:
-5 + 4.2y = 4 + 2(2.3y + 4)

Reorder the terms:
-5 + 4.2y = 4 + 2(4 + 2.3y)
-5 + 4.2y = 4 + (4 * 2 + 2.3y * 2)
-5 + 4.2y = 4 + (8 + 4.6y)

Combine like terms: 4 + 8 = 12
-5 + 4.2y = 12 + 4.6y

Solving
-5 + 4.2y = 12 + 4.6y

Solving for variable 'y'.

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

Add '-4.6y' to each side of the equation.
-5 + 4.2y + -4.6y = 12 + 4.6y + -4.6y

Combine like terms: 4.2y + -4.6y = -0.4y
-5 + -0.4y = 12 + 4.6y + -4.6y

Combine like terms: 4.6y + -4.6y = 0.0
-5 + -0.4y = 12 + 0.0
-5 + -0.4y = 12

Add '5' to each side of the equation.
-5 + 5 + -0.4y = 12 + 5

Combine like terms: -5 + 5 = 0
0 + -0.4y = 12 + 5
-0.4y = 12 + 5

Combine like terms: 12 + 5 = 17
-0.4y = 17

Divide each side by '-0.4'.
y = -42.5

Simplifying
y = -42.5

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