Law of sines:
sin(a)/a = sin(b)/b = sin (c)/c

triangle abc has measures a = 2, b = 2, and m∠a = 30°. what is the measure of angle b?

a. 15°
b. 30°
c. 45°
d. 60°

infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8