6(-21-5y)-7y=47

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Solution for 6(-21-5y)-7y=47 equation:


Simplifying
6(-21 + -5y) + -7y = 47
(-21 * 6 + -5y * 6) + -7y = 47
(-126 + -30y) + -7y = 47

Combine like terms: -30y + -7y = -37y
-126 + -37y = 47

Solving
-126 + -37y = 47

Solving for variable 'y'.

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

Add '126' to each side of the equation.
-126 + 126 + -37y = 47 + 126

Combine like terms: -126 + 126 = 0
0 + -37y = 47 + 126
-37y = 47 + 126

Combine like terms: 47 + 126 = 173
-37y = 173

Divide each side by '-37'.
y = -4.675675676

Simplifying
y = -4.675675676

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