(4y+25)+(3y+20)=100

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Solution for (4y+25)+(3y+20)=100 equation:


Simplifying
(4y + 25) + (3y + 20) = 100

Reorder the terms:
(25 + 4y) + (3y + 20) = 100

Remove parenthesis around (25 + 4y)
25 + 4y + (3y + 20) = 100

Reorder the terms:
25 + 4y + (20 + 3y) = 100

Remove parenthesis around (20 + 3y)
25 + 4y + 20 + 3y = 100

Reorder the terms:
25 + 20 + 4y + 3y = 100

Combine like terms: 25 + 20 = 45
45 + 4y + 3y = 100

Combine like terms: 4y + 3y = 7y
45 + 7y = 100

Solving
45 + 7y = 100

Solving for variable 'y'.

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

Add '-45' to each side of the equation.
45 + -45 + 7y = 100 + -45

Combine like terms: 45 + -45 = 0
0 + 7y = 100 + -45
7y = 100 + -45

Combine like terms: 100 + -45 = 55
7y = 55

Divide each side by '7'.
y = 7.857142857

Simplifying
y = 7.857142857

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