<span>associative property of addition and answer is
</span><span>(u + 7) + 13 = u + (7 + 13)</span>
Answer:
a. 3.5 b. 2.25 c. 47.8 deg
Step-by-step explanation:
X is equal to -11/6 or -1.8333333333..................................
Answer:
(-15, 13)
Step-by-step explanation:
-3(8x + 9y = -3)
4( 6x + 7y = 1)
-24x - 27y = 9
24x + 28y = 4 (add both equations)
y = 13
6x + 7*13= 1
6x + 91= 1
6x = 1 -91
x = -91/6
x = -15