2 years ago

Find the value of x for the function y=-2(x+7) if y has a value of 20

Mathematics

2 answers:

Ahat [919]2 years ago

8 0

Answer:

x=-17

Step-by-step explanation:

-2(x+7)=20

distibute the -2

-2x-14=20

add 14 to both sides

-2x=34

divide by -2

x=-17

Wewaii [24]2 years ago

4 0

Answer:

x=3

Step-by-step explanation:

put the value of y=20 in equation

20=2(x+7)

20=2x+14

20-14=2x

6=2x

6/2=x

x=3

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Lines L and M are parallel. Lines t^1 and t^2 are transversals. What is m<1 if m<4=65*? Justify your answer. (Ps- there is

Diano4ka-milaya [45]

The complete question in the attached figure

we know that
m∡4=65°
m∡4=m∡2---------> by internal alternate angles
m∡5=m∡3---------> by internal alternate angles

m∡1=180°-m∡2---------> 180°-65°--------> m∡1=115°

the answer is
m∡1=115°