-2(0.4230)-4y=1

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Solution for -2(0.4230)-4y=1 equation:


Simplifying
-2(0.4230) + -4y = 1

Multiply -2 * 0.4230
-0.846 + -4y = 1

Solving
-0.846 + -4y = 1

Solving for variable 'y'.

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

Add '0.846' to each side of the equation.
-0.846 + 0.846 + -4y = 1 + 0.846

Combine like terms: -0.846 + 0.846 = 0.000
0.000 + -4y = 1 + 0.846
-4y = 1 + 0.846

Combine like terms: 1 + 0.846 = 1.846
-4y = 1.846

Divide each side by '-4'.
y = -0.4615

Simplifying
y = -0.4615

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