Solve for y square root of 10-y=4

Math
10-y=4
To remove the radical on the left side of the equation, square both sides of the equation.
10-y2=42
Simplify each side of the equation.
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Multiply the exponents in ((10-y)12)2.
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Apply the power rule and multiply exponents, (am)n=amn.
(10-y)12⋅2=42
Cancel the common factor of 2.
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Cancel the common factor.
(10-y)12⋅2=42
Rewrite the expression.
(10-y)1=42
(10-y)1=42
(10-y)1=42
Simplify.
10-y=42
Raise 4 to the power of 2.
10-y=16
10-y=16
Solve for y.
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Move all terms not containing y to the right side of the equation.
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Subtract 10 from both sides of the equation.
-y=16-10
Subtract 10 from 16.
-y=6
-y=6
Multiply each term in -y=6 by -1
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Multiply each term in -y=6 by -1.
(-y)⋅-1=6⋅-1
Multiply (-y)⋅-1.
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Multiply -1 by -1.
1y=6⋅-1
Multiply y by 1.
y=6⋅-1
y=6⋅-1
Multiply 6 by -1.
y=-6
y=-6
y=-6
Solve for y square root of 10-y=4

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