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

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


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

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

Combine like terms: 2.3 + 4 = 6.3
-5 + 4.2y = 4 + 2(6.3)

Multiply 2 * 6.3
-5 + 4.2y = 4 + 12.6

Combine like terms: 4 + 12.6 = 16.6
-5 + 4.2y = 16.6

Solving
-5 + 4.2y = 16.6

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 4.2y = 16.6 + 5

Combine like terms: -5 + 5 = 0
0 + 4.2y = 16.6 + 5
4.2y = 16.6 + 5

Combine like terms: 16.6 + 5 = 21.6
4.2y = 21.6

Divide each side by '4.2'.
y = 5.142857143

Simplifying
y = 5.142857143

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