8y+1-3y=9+4-7

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Solution for 8y+1-3y=9+4-7 equation:


Simplifying
8y + 1 + -3y = 9 + 4 + -7

Reorder the terms:
1 + 8y + -3y = 9 + 4 + -7

Combine like terms: 8y + -3y = 5y
1 + 5y = 9 + 4 + -7

Combine like terms: 9 + 4 = 13
1 + 5y = 13 + -7

Combine like terms: 13 + -7 = 6
1 + 5y = 6

Solving
1 + 5y = 6

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 + 5y = 6 + -1

Combine like terms: 1 + -1 = 0
0 + 5y = 6 + -1
5y = 6 + -1

Combine like terms: 6 + -1 = 5
5y = 5

Divide each side by '5'.
y = 1

Simplifying
y = 1

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