Solve for x
Isolate a Variable
How many solutions
Proportional Reasoning
Absolute Values
100

The value of  x  which solves

4x=18.

What is 9/2 or 4.5?

100

The equation  4x+y=2  with the variable y  by itself.

What is 

y=2-4x?

100

The number of solutions to the equation 

4d -8=11.

What is one?

100

This number solves the proportion

x/4=3/12.

What is 1?

100

These numbers solve the absolute value equation 

|x|=5.

What are 5 and -5?

200

The value of  x  which solves 

3x+1=-8.

What is -3?

200

The equation  b+4c=2b  with the variable b  by itself.

What is 

b=4c?

200

The number of solutions to the equation 

6x-3=6x+7.

What is zero?

200

This number solves the proportion

7/p=-6/18.

What is -21?

200

These numbers solve the absolute value equation 

|x-2|=8.

What are -6 and 10?

300

The value of  x  which solves 

5x+5=5.

What is 0?

300

The equation  3x-2y = x+4  with the variable x  by itself.

What is 

x=y+2?

300

The number of solutions to the equation 

4b+1=-3b-8.

What is one?

300

The number of seconds in 2.5 hours.

What is 9000?

300

These numbers solve the absolute value equation 

|-2x|=14.

What are -7 and 7?

400

The value of  x  which solves 

2x+1=8x.

What is 1/6?

400

The equation  4x + xy=9y  with the variable x  by itself.

What is 

(9y)/(4+y)?

400

The number of solutions to the equation 

2(c-9)+4 = (-28+4c)/2.

What is an infinite amount?

400

The number of students per grade at a high school with 1200 students if the grades are equal sizes.

What is 300 students?

400

These numbers solve the absolute value equation 

|3x+9|=15.

What are -8 and 2?

500

The value of  x  which solves 

x+2=3x-4.

What is 3?

500

The equation  4n(m-k)=m+k  with the variable m  by itself.

What is 

500

The number of solutions to the equation 

y=-8x+4.

What is an infinite amount?

500

This number solves the proportion 

3/2 mph = (x ft)/s.

What is 2.2?

500

This number solves the absolute value equation 

|x-2|=|4+x|.

What is -1?

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