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Solving equations and formulas

Okay. I finished the homework [thanks if you answered my q] but could you do step by step with these 4 problems just so I get more of an idea?

  1. ex - 2y = 3z [solve for x]

  2. y+a OVER 3 = c [solve for c]

  3. 3 OVER 5y + a = b [solve for y]

  4. v = r + at [solve for a]

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Answer #1

  1. ex - 2y = 3z ex = 3z + 2y (move 2y to other side, change sign, you are trying to get the x on one side) x = 3z+2y / e (divide whole equation by e)

  2. uhm 2 is already solved?

Sorry gtg class is over

Answer #2
  1. v = r + at v - r = at (v-r)/t = a

I cant do 3 right now

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