Question

-2u+(-1)=-13
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Answer 1

`\huge\text{Hey there!}`

`\textsf{-2u + (-1) = -13}\\\textsf{-2u - 1 = -13}\\\large\text{ADD 1 to BOTH SIDES}\\\textsf{-2u - 1 + 1 = -13 + 1}\\\large\text{CANCEL out: -1 + 1}\\\large\text{KEEP: -13 + 1}\\\rightarrow\textsf{-2u = -12}\\\large\text{DIVIDE -2 to BOTH SIDES}\\\mathsf{(-2u)/(-2)= (-12)/(-2)}\\\textsf{CANCEL out: }\mathsf{(-2)/(-2)}\\\textsf{KEEP: }\mathsf{(-12)/(-2)}\\\mathsf{u = (-12)/(-2)}\\\mathsf{u = \bf 6}\\\huge\boxed{\mathsf{Answer: u = 6}}\huge\checkmark`

`\large\text{Good luck on your assignment and enjoy your day!}\\\\\frak{Amphitrite1040:)}`

Answer 2

Solution given

-2u+(-1)=-13

open bracket

-2u-1=-13

add 1 on both side

-2u-1+1=-13+1

-2u=-12

divide both side by -2

-2u/-2=-12/-2

u=6