Solving Equations

Front

7(9 + K) = 84

Back

K = 3

Front

-12 = 24 + 4b

Back

b = -9

Front

Solve for a.

Back

a = -6

Front

Solve for w.

Back

w = 6

Front

Solve for z.

Back

z = 3

Front

What is the first step to solve this equation:
11 - 3x = 44
Options: Add 3 to both sides, Subtract 11 from both sides, Add 11 to both sides, Divide 3 on both sides.

Back

Subtract 11 from both sides

Front

50 = 28.1 + 0.15a

Back

a = 146

Front

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

Back

331=6x+7

Front

Solve for y.

Back

y = -8.75

Front

Where/what is the mistake? Options: Line 2 - You should add 12 to both sides., Line 4 - You should multiply both sides by the reciprocal., Line 4 - You should multiply both sides by the original fraction., Line 5 - There was a calculation error.

Back

Line 4 - You should multiply both sides by the reciprocal.