(42+43)=(4y-105)

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Solution for (42+43)=(4y-105) equation:


Simplifying
(42 + 43) = (4y + -105)

Combine like terms: 42 + 43 = 85
(85) = (4y + -105)
85 = (4y + -105)

Reorder the terms:
85 = (-105 + 4y)

Remove parenthesis around (-105 + 4y)
85 = -105 + 4y

Solving
85 = -105 + 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.
85 + -4y = -105 + 4y + -4y

Combine like terms: 4y + -4y = 0
85 + -4y = -105 + 0
85 + -4y = -105

Add '-85' to each side of the equation.
85 + -85 + -4y = -105 + -85

Combine like terms: 85 + -85 = 0
0 + -4y = -105 + -85
-4y = -105 + -85

Combine like terms: -105 + -85 = -190
-4y = -190

Divide each side by '-4'.
y = 47.5

Simplifying
y = 47.5

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