-5(3x – 1) – 20 = 7(5) – 5
1 answer:
Answer:
x = -3
Step-by-step explanation:
-5(3x - 1) - 20 = 7 * 5 -5
-15x + 5 - 20 = 35 -5
-15x - 15 = 30
-15x = 45
x = -3
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In ∆ABD
In ∆BCD
Now
IN PARALLELOGRAM ABCD
Option A
Answer:
5x+15=0
5x= -15
x= -15/5
x= -3
the solution of the equation is X= -3
f(x) = 8x-9
substitute 4 in for x
f(4) = 8(4) -9
f(4) = 32 -9
f(4) =23
