Answer: Isolate the variable by dividing each side by factors that don't contain the variable.
x= -7, -9
16-3/4=15 1/4
You can convert to fractions first, and then convert back to a mixed number like:
16/1-3/4 and when you add/subtract fractions you need a common denominator
64/4-3/4
61/4
15 1/4
Or you can convert your fraction to a decimal to get:
16-0.75
15.25
Because of the transversal and the parallel lines, we know that A+B=180°.
So:
5x + 20 + 9x - 92 = 180
14x - 72 = 180
14x = 180 + 72
14x = 252
x = 252/14
x = 18
A = 5x + 20
A = 5*18 + 20
A = 90 + 20 = 110
(Let’s check:
B = 9*18 - 92
B = 162 - 92
B = 70
70 + 110 = 180)
Answer:
for 6: -2x+30
I dont know for # 8
Step-by-step explanation:
to distribute, you have to multiply -3 by x and -10.
-3(x) - -3(10) + x =
-3x + 30 + x:
then you have to add common terms
-3x + x = -2x
then replace that in your equation to get:
-2x +30
Answer:
7x - 10
Step-by-step explanation:
f(x)= 5x - 7
g(x)= 2x - 3
f(x) + g(x)
= 5x - 7 + 2x - 3
= 7x - 10
