zianfairnot zianfairnot

25-11-2017
Mathematics

contestada

Solving equations with variable on both sides
Solve equation.check answer
5(y - 4)=7(2y+1)
Pls & thank you again

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Аноним Аноним

25-11-2017

The answer is going to be -3. hope that helped.

Answer Link

shanac255 shanac255

25-11-2017

Solution:
5y-20=14y+7: Expand
9y+7=-20: Subtract 5y from both sides
9y=-27: Subtract 7 from both sides
y=-3: Divide both sides by 9

Check:
5(-3-4)=-35
7[(2*-3)+1]=7(-5)=-35

Answer Link

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