Test created at: 2019-01-19 by Igor; number of questions: 20.
If you are not ready, you could first read the literature (https://en.wikipedia.org/wiki/Linear_equation#One_variable, new window) and do the test later.
Q1: Warm up question. Solve for the variable: 2 x = 4
Q2: Select Linear Equations:
Q3: Select Equations with only ONE variable:
Q4: Select identity equation (true for any real number as variable)
Q5: Select conditional equation (true for only some values of the variable):
Q6: Select inconsistent equation (there is no solution for any variable):
Q7: Solve the equation `(5x)/4+1=11`
Q8: Solve the equation `(5x+1)/3=7`
Q9: Solve the equation `(2x+1)/2+(x-1)/4=4`
Q10: Find value of p: `2*p+1=3*p+2`
Q11: Solve the equation: `(d^2*pi)/4=d*pi`
Q12: What is the value of r in equation: `3*(r+3)=4*(1+r)`
Q13: Solve the equation: −3+5+6g=11−3g
Q14: 4 (x−3) + 12 = 15−5 (x+6)
Q16: Solve this: 0.16(5x-2) =0.4x +7
Q20: In 16 years, Tom will be 3 times as old as he is right now. How old is he now?