2(-0.5)+y(21)=20

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Solution for 2(-0.5)+y(21)=20 equation:


Simplifying
2(-0.5) + y(21) = 20

Multiply 2 * -0.5
-1 + y(21) = 20

Reorder the terms for easier multiplication:
-1 + 21y = 20

Solving
-1 + 21y = 20

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 21y = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 21y = 20 + 1
21y = 20 + 1

Combine like terms: 20 + 1 = 21
21y = 21

Divide each side by '21'.
y = 1

Simplifying
y = 1

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