Answer:
$42 - 19 = 23 - 15 = $8
Step-by-step explanation:
x = 18
Step 1: Simplify both sides of the equation.
x+x+x=54
(x+x+x)=54(Combine Like Terms)
3x=54
Step 2: Divide both sides by 3.
3x 3 = 54
3 x=18
x=18
2+4a=-10
First, subtract 2 from both sides.
4a=-12
Then divide 4 from both sides.
a=-3
hope it helps!
Check the picture below.
So:
Answer: number 2
