Which other angle must also measure 130°

Angle 3

Step-by-step explanation:

we know that

-----> by vertical angles

we have

therefore

opposite angles are identical so if angle 1 = 130

 than angle 3 is also 130 degrees

pooopoopopoopop

step-by-step explanati∵∵∴∴on:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x