4(7y-9)-(7y+7)=

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Solution for 4(7y-9)-(7y+7)= equation:


Simplifying
4(7y + -9) + -1(7y + 7) = 0

Reorder the terms:
4(-9 + 7y) + -1(7y + 7) = 0
(-9 * 4 + 7y * 4) + -1(7y + 7) = 0
(-36 + 28y) + -1(7y + 7) = 0

Reorder the terms:
-36 + 28y + -1(7 + 7y) = 0
-36 + 28y + (7 * -1 + 7y * -1) = 0
-36 + 28y + (-7 + -7y) = 0

Reorder the terms:
-36 + -7 + 28y + -7y = 0

Combine like terms: -36 + -7 = -43
-43 + 28y + -7y = 0

Combine like terms: 28y + -7y = 21y
-43 + 21y = 0

Solving
-43 + 21y = 0

Solving for variable 'y'.

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

Add '43' to each side of the equation.
-43 + 43 + 21y = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 21y = 0 + 43
21y = 0 + 43

Combine like terms: 0 + 43 = 43
21y = 43

Divide each side by '21'.
y = 2.047619048

Simplifying
y = 2.047619048

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