Question

FAST Which equation is NOT an identity?

a) 0+7=7

b) 1∙9=9

c) x+3=3+x

d) x+1=x


21. Which equation has no solution?

a. 7y + 9 = −7y − 9

b. 5x + 2 = 5x − 3

c. 4v − 3 = 4v + 6 − v

d. 2z + 1 = 3z − z + 1


22. Solve the following equation

3x + 4 = 5x − 10

23. Solve the following equation
2(2x + 1) = 4x − 5

24. Solve the following equation
−2x − 2 = 2(3x − 1) − 4(−6 + 5x)

Answer 1

The first answer to your first question is option D, write down your equations in a notebook and start writing stuff down so you can learn well. Your doing great

Explanation: