Solving Equations

What is the solution to this equation?

• one solution
• no solution
• infinite solutions
• none of these

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions

7(1 - y) = -3(y - 2)

• x = 1/4
• x = 4
• x = 5

Solve for t.
D= rt

• D/r = t
• Dr = t
• D/t = r
• Dt = r

pV = nRT
solve for R

• R= pV/nT
• R= p/n + V/T
• R= pV - nT
• R= (pV-n)/T

Solve:
6(5x - 3) + 2 = 14

• 2
• .5
• -1
• 1

Solve:
7x + 19 = -2x + 55

• 4
• 14.8
• 8.2
• -4

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

Solve:
2(a + 4) = 2a - 8 + 4a

• 3
• -3
• -4
• 4

What is the solution of 9 + k = 18

• 18

• 9

• 8

• 7