Answer:
2y = - 39
Step-by-step explanation:
hello :
14(y+3/2)=-18
14y+14(3/2) = -18
14y+21 =-18
divide by 7 : 2y+3 = -18/7
2y= -3-18/7
2y = - 39
2nd, 3rd, 5th, & 6th are the correct answers.
Let x be the weeks worked on building the road
13=(1/2)x
13*2=x
26 days=x
In the duration of 26 weeks, the road should be built.
Hope I helped :)
Answer:
11.0 is the equivalent the decimal equiv of 9/1 is 9.0
Step-by-step explanation:
Answer:
the system : 9x-3y =21
2x+3y = 12
Step-by-step explanation:
hello :
an system of equations has the same solutions as the system below
the system 3x-y=7
2x+3y=12
for exempl : 3×(3x-y)=3×7
2x+3y)=12
means :
9x-3y =21
2x+3y = 12