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Section 3.8 Solving Equations
  • 1. Solve ax + g = t for a
A) (t-g)/ x
B) (g-t)/a
C) (t+g)/x
D) (t-g)/a
  • 2. Solve xy + z = 9 for x
A) (9/y)- z
B) (9-y)/z
C) (9/z) - y
D) (9-z)/y
  • 3. Solve A = (1/2) ( h) (a+b) for h
A) (2A)/(a+b)
B) (2A)(a+b)
C) (2A)(a+b)
D) (1/2)(A)/(a+b)
  • 4. Solve A =2Pr2 for P
A) r2/(AP)
B) A/(2r2)
C) Ar2P
D) (Ar2)/P
  • 5. Solve 16x+4y = 2z for y
A) (16x-4)/2z
B) 12x-2z+4
C) (2z-16x)/4
D) (2z-4)/16x
  • 6. Solve 2x+b=c for x
A) (b+2)/c
B) (2+c)/b
C) (c-b)/2
D) (c+b)/2
  • 7. Solve 14a-6b=12a for a
A) a/(3b)
B) (3b)/a
C) 3b
D) 6b-12
  • 8. Solve (x+y)/4 = c for x
A) (c-y)/4
B) 4(c+y)
C) 4c-y
D) 4(c-y)
  • 9. Solve (r+5)/4 = t for r
A) 4t - 5
B) (4t)/5
C) 5t-4
D) 5*(4t)
  • 10. Solve (x-c)/2 = d for c
A) -2d +(-x)
B) 2d-x
C) -2d - (-x)
D) (2d)*-4
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