18) Which equation has solution x = -3?
A)
2x - 7 = -1
B)
3x + 8 = 1
C)
+ 8 = 10
D)
3(2x - 6) = -6

597

step-by-step explanation:

answer for #1 is c

answer for #2 is d

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or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

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