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arlik [135]
3 years ago
9

What is -4(7x+5)=-160

Mathematics
2 answers:
stiks02 [169]3 years ago
7 0

To get rid of the parantheses we must multiply -4 times anything inside the parantheses.

<em>-4(7x+5)=-160</em>

<em>-28x-20=-160</em>

Add 20 to both sides of the equation.

<em>-28x-20=-160</em>

<em>-28x=-140</em>

Divide both sides by -28

<em>-28x/-28=-140/-28</em>

<em>x=5</em>

<em>Our final answer is 5 </em>

Hope this helps!

puteri [66]3 years ago
6 0

Answer is -23

Add 4 from both sides

Subtract 5 from both sides

Then divide 7

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