Advertisements
Advertisements
प्रश्न
6b + 40 = – 100 – b
उत्तर
6b + 40 = – 100 – b
⇒ 6b + b = - 100 - 40
⇒ 7b = - 140
⇒ b = `(-140)/7 = -20`
∴ b = - 20
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
`"y"/-12 = - 4`
Solve the following equation:
4 = x - 2.5
Solve the following equation:
9y -7 = 20
9 + m = 6m + 8 – m
Solve: `"3x"/4 + "4x" = 38`
Solve: 0.6a +0.2a = 0.4 a + 8
Solve: y + 20% of y = 18
If 15 is added to a number, the result is 69, find the number.
Solve the following equations for the unknown: 5x + 10 - 4x + 6 = 12x + 20 - 3x + 12
Solve the following equation for the unknown: `(2"m")/(3) - "m"/(2)` = 1
Solve the following equation for the unknown: `(2(x - 1))/(9) - (x - 1)/(2)` = 0
Solve the following equations for the unknown: `(2x + 3)/(x + 7) = (5)/(8), x ≠ -7`
Solve the following equations for the unknown: `sqrt(x - 5)` = 3
A number is as much greater than 21 as it is less than 71. Find the number.
Find two consecutive even numbers, whose sum is 38.
In a two digit number, the ratio of the digits at the unit's place and the ten's place is 3:2. If the digits are reversed, the resulting number is 27 more than the original number. Find the two digit number.
The perimeter of a rectangular field is 100 m. If its length is decreased by 2 m and breadth increased by 3 m, the area of the field is increased by 44 m2. Find the dimensions of the field.
A and B together can do a piece of work in 4 days, but A alone can do it in 12 days. How many days would B alone take to do the same piece of work?
In a shooting competition a marks man receives 50 paise if he hits the mark and pays 20 paise if he misses it. He tried 100 shots and was paid Rs 29. How many times did he hit the mark?
A 12 liter solution is `33(1)/(3)`% acid. How much water must be added to get the solution having 20% acid?
