Advertisements
Advertisements
Question
Solve the following equation: 3z + 2 = -4
Advertisements
Solution
3z + 2 = -4
⇒ 3z + 2 - 2 = - 4 - 2 (Substrating -2 from both sides)
⇒ 3z = - 6
⇒ `"3z"/3 = (- 6)/3` (Dividing by 3)
∴ z = - 2
RELATED QUESTIONS
Two-fifths of a number subtracted from three-fourths of it gives 56, find the number.
A number is increased by 12 and the new number obtained is multiplied by 5. If the resulting number is 95, find the original number.
Solve the following equation: `"y"/3 + 7 = 2`
Solve the following equation: `"2m"/3 = 8 2/3`
Solve the following equation: 4x + 4.9 = 6.5
Solve the following equation: 5y – 15 = 27 -2y
Solve the following equation: 7z + 15 = 3z – 13
Solve the following equation: (7y +8) +7= 8
If 6 is added to twice a number to get 22, the correct equation is:
A number decreased by 9 equals 14. The number is:
