7(y-1)=3(y+.66)

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Solution for 7(y-1)=3(y+.66) equation:


Simplifying
7(y + -1) = 3(y + 0.66)

Reorder the terms:
7(-1 + y) = 3(y + 0.66)
(-1 * 7 + y * 7) = 3(y + 0.66)
(-7 + 7y) = 3(y + 0.66)

Reorder the terms:
-7 + 7y = 3(0.66 + y)
-7 + 7y = (0.66 * 3 + y * 3)
-7 + 7y = (1.98 + 3y)

Solving
-7 + 7y = 1.98 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-7 + 7y + -3y = 1.98 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-7 + 4y = 1.98 + 3y + -3y

Combine like terms: 3y + -3y = 0
-7 + 4y = 1.98 + 0
-7 + 4y = 1.98

Add '7' to each side of the equation.
-7 + 7 + 4y = 1.98 + 7

Combine like terms: -7 + 7 = 0
0 + 4y = 1.98 + 7
4y = 1.98 + 7

Combine like terms: 1.98 + 7 = 8.98
4y = 8.98

Divide each side by '4'.
y = 2.245

Simplifying
y = 2.245

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