45° 60°
75°
L
Х
Z
mm 35 m Con
For each of the following angles, name the angle that is congruent.
a JN
b. K
O ZX ZY
01:2J
O ZX ZZ
OZY: ZZ

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?