Find the value of x?

23.5°

43°

47°

86°

x = 23.5°

Step-by-step explanation:

The 4 angles 90, 43, x , x lie on a straight angle, thus

90 + 43 + x + x = 180, that is

133 + 2x = 180 ( subtract 133 from both sides )

2x = 47 ( divide both sides by 2 )

x = 23.5°

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

the 3rd on is correct

step-by-step explanation: