30+7y=-2y-6 how?explain it with solution
Answers
Answered by
8
Simplifying
30 + 7y = -2y + -6
Reorder the terms:
30 + 7y = -6 + -2y
Solving
30 + 7y = -6 + -2y
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '2y' to each side of the equation.
30 + 7y + 2y = -6 + -2y + 2y
Combine like terms: 7y + 2y = 9y
30 + 9y = -6 + -2y + 2y
Combine like terms: -2y + 2y = 0
30 + 9y = -6 + 0
30 + 9y = -6
Add '-30' to each side of the equation.
30 + -30 + 9y = -6 + -30
Combine like terms: 30 + -30 = 0
0 + 9y = -6 + -30
9y = -6 + -30
Combine like terms: -6 + -30 = -36
9y = -36
Divide each side by '9'.
y = -4
Simplifying
y = -4
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Answered by
19
Answer:
30+7y =-2y-6
7y+2y =-6-30
7y +2y =-36
9y = -36
y = -36/9
=-4
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