Question

–15b + 2b − –7b = –12

Answer 1

• b=2

Explanation:

• -15b+2b-(-7v)=-12
• 9b-15b=-12
• -6b=-12
• b=-12/-6
• b=2

Answer 2

Explanation:

`\tt{ -15b+2b-(-7b)= -12 }` ⠀

`\tt{-15b+2b+7b=-12 }` ⠀

`\tt{-15b+9b=-12 }` ⠀

`\tt{ -6b=-12 }` ⠀

`\tt{b=(-12)/(-6) }` ⠀

`\tt{ b=2 }` ⠀