4(5)+23=21y-1

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Solution for 4(5)+23=21y-1 equation:


Simplifying
4(5) + 23 = 21y + -1

Multiply 4 * 5
20 + 23 = 21y + -1

Combine like terms: 20 + 23 = 43
43 = 21y + -1

Reorder the terms:
43 = -1 + 21y

Solving
43 = -1 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
43 + -21y = -1 + 21y + -21y

Combine like terms: 21y + -21y = 0
43 + -21y = -1 + 0
43 + -21y = -1

Add '-43' to each side of the equation.
43 + -43 + -21y = -1 + -43

Combine like terms: 43 + -43 = 0
0 + -21y = -1 + -43
-21y = -1 + -43

Combine like terms: -1 + -43 = -44
-21y = -44

Divide each side by '-21'.
y = 2.095238095

Simplifying
y = 2.095238095

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