X+4(-2)=-2 solve for X

x = 6

Step-by-step explanation:

Remember to follow PEMDAS. Note the equal sign, what you do to one side, you do to the other. Isolate the variable, x. Note that:

PEMDAS =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

& is the order of operation that you follow.

First, multiply 4 with -2:

4 * -2 = -8

x + (-8) = -2

x - 8 = -2

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Add 8 to both sides:

x - 8 (+8) = -2 (+8)

x = -2 + 8

x = 8 - 2

x = 6

x = 6 is your answer.

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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

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d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation: