2x + 8 = -4
if you answer then thank yo:)

x=-6

Step-by-step explanation:

2x+8=-4

subtract 8 from both sides

2x=-12

divide both sides by 2

x=-6

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest