Sum of two interiors=exterior
Answer: -62
Step-by-step explanation:
9( a + 2b) + c
Substitute correct values for all a, b and c.
9( -3 + 2(-2) ) + 1
9( -3 - 4 ) + 1
9(-7) + 1
-63 + 1
-62.
<span>-4x + y = -25 y = 4x - 25
-6x - 6y = 0 </span>
-6x - 6(4x - 25) = 0
-6x - 24x + 150 = 0
-30x + 150 = 0
-30x = -150
x = 5
y = 4(5) - 25
y = 20 - 25
y = -5
(5, -5)
Answer:
Step-by-step explanation:
Answer:
step 2 to step 3
Step-by-step explanation:
step 2
2x - 7 = 3 ( add 7 to both sides )
2x = 10 ( error was made here in that they had - 4 )
