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opposite pairs of angles of an inscribed quadrilateral add to 180°
O + Q = 180°
2x + 2x + 4 = 180°

okay is that all?

solve for x then substitute into 2x + 4 to get Q

i dont know how to find x

start by combining like terms on the left. What's 2x + 2x?

well i do but where do i need to find the x. i mean in which equation?

4x

2x + 2x + 4 = 180

^ that's the equation you need to solve for x

After combining you have
4x + 4 = 180
Subtract 4 from both sides

left withx

on the right side left with 174 and on the left we have x

not it was 176

sorry

so 4x = 176
divide by 4

okay 4x minus 4 is x
180 minus 4 is 176

it is 44

right. So now we can find Q.
Q = 2x + 4, so plug in 44 for x to get
Q = 2(44) + 4

92

that's the answer

thank you

you're welcome