Answer:
0.28
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
51 + 4x + 7 = 90 - combine like terms
58 + 4x = 90 - subtract 58 from each side
4x = 32 - divide both sides by 4
x = 8
AC in this problem will equal 87. If the (units) is where you put the put units like feet, inches if there is units.