The expression 3(x+4)-(2x+7) is equivalent to

x=5

Step-by-step explanation:

3(x+4)-(2x+7)

use the disturbutive property

3x+12-(2x+7)

distrubute the - sign on the bracket number

3x+12-2x-7

combine the like terms

3x-2x= 1x which is just x

12-7=5

x=5

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0