Advertisements
Advertisements
प्रश्न
Solve the following equation.
2m + 7 = 9
Advertisements
उत्तर
2m + 7 = 9
Subtracting 7 from both sides
⇒ 2m + 7 - 7 = 9 - 7
⇒ 2m = 2
Dividing both sides by 2
⇒ `(2"m")/2 = 2/2`
⇒ m = 1
Hence, m = 1 is the solution of the equation.
संबंधित प्रश्न
The equation given below is followed by the value of the variable. Decide whether this value is the solution to that equation.
x − 4 = 3, x = −1, 7,−7
The equation given below is followed by the value of the variable. Decide whether this value is the solution to that equation.
9m = 81, m = 3, 9, −3
The equation given below is followed by the value of the variable. Decide whether this value is the solution to that equation.
2a + 4 = 0, a = 2, −2, 1
Solve the following equation.
3x + 12 = 2x − 4
Solve the following equation.
`(9"x")/8` + 1 = 10
Solve the following equation.
`y/7 + (y - 4)/3 = 2`
Solve the following equation.
13x − 5 = `3/2`
Solve the following equation.
3(y + 8) = 10(y − 4) + 8
Solve the following equation.
`("x" - 9)/("x" - 5) = 5/7`
Solve the following equation.
`("b" + ("b" + 1) + ("b" + 2))/4 = 21`
