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I need helping solving -3z+7=-7-10z

Sagot :

emmybaby58
-3z + 7 = -7 - 10z

Add 10z to both sides

7z + 7 = -7

Subtract 7 from both sides

7z = -14

Divide by 7

Z = -2
-3z+7=-7-10z -3z+10z=-7-7 7z=-14 (divide both sides by 7) z=-2
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