Answer:
x=-5
Step-by-step explanation:
-6(x + 7)=-12
-6x+-42=-12
-6x=30
x=-5
Answer:
12inches
Step-by-step explanation:
12x3=36 triangle perimeter
8x4=32 square perimeter
Answer:
11
Step-by-step explanation:
first : do the ( )
second : multiplication or division
third : addition or subtraction
8+3×(2÷2) =8+3x1=8+3=11
-4 or
Rise 4 and run 1 to the left (that's what makes it negative)