1.9=4y+21.5

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Solution for 1.9=4y+21.5 equation:


Simplifying
1.9 = 4y + 21.5

Reorder the terms:
1.9 = 21.5 + 4y

Solving
1.9 = 21.5 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
1.9 + -4y = 21.5 + 4y + -4y

Combine like terms: 4y + -4y = 0
1.9 + -4y = 21.5 + 0
1.9 + -4y = 21.5

Add '-1.9' to each side of the equation.
1.9 + -1.9 + -4y = 21.5 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + -4y = 21.5 + -1.9
-4y = 21.5 + -1.9

Combine like terms: 21.5 + -1.9 = 19.6
-4y = 19.6

Divide each side by '-4'.
y = -4.9

Simplifying
y = -4.9

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