2) If -5 +4x = 6x, then 4x = ?
A) 5/2
B)-10
C)-5/2
D)-20

Work Shown:

-5 + 4x = 6x

-5 + 4x - 4x = 6x - 4x ... subtract 4x from both sides

-5 = 2x

2x = -5

2*2x = 2(-5) ... multiply both sides by 2, see note below

4x = -10

note: Alternatively, you can solve 2x = -5 for x to get x = -5/2, then multiply both sides by 4 to end up with 4x = -10.

Step-by-step explanation:

-5 +4x = 6x

add5 : -5 +4x+5 = 6x+5

4x= 6x+5

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

1.0

step-by-step explanation: