Simplify 1/3b to b/3
b/3 = -3
multiply both sides by 3
b = -3 * 3
multiply 3 * 3 so it can = 9
Answer: b = -9
C because it simplifies to 0=0 which proves that it has infinite solutions!
28-53= l -25l
Answer is 25
Answer:
92
Step-by-step explanation:
angle a and b add up to 180 degrees
4x-20+2x+8=180
add like terms
6x+12=180
x=28
then substitute to get 92
