20y+4+10y+2=90

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Solution for 20y+4+10y+2=90 equation:


Simplifying
20y + 4 + 10y + 2 = 90

Reorder the terms:
4 + 2 + 20y + 10y = 90

Combine like terms: 4 + 2 = 6
6 + 20y + 10y = 90

Combine like terms: 20y + 10y = 30y
6 + 30y = 90

Solving
6 + 30y = 90

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 30y = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 30y = 90 + -6
30y = 90 + -6

Combine like terms: 90 + -6 = 84
30y = 84

Divide each side by '30'.
y = 2.8

Simplifying
y = 2.8

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