L.H.S of 2x - 3 = 8 is

Mathematics

1 answer:

sineoko [7]3 years ago

7 0

Answer:

5.5

Step-by-step explanation:

2x -3 = 8

then

2x = 8 + 3 = 11

means

2x = 11

then

x = 11 ÷ 2

x = 5.5

___________________

we change the sign (- or +)

then take the number to the other side of the equal (with the changed sign)

leaving the x alone so that we can answer the equation..

_____________

to make sure

2×5.5 -3 = .....

it will be 8

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Stels [109]

Answer:

$p(11)=626$

Step-by-step explanation:

Substitute the value (p(11)) into the function and evaluate by solving. Do not forget to follow the order of operations. The order of operations is the steps one must do operations in an equation in order to get a valid result, they are the following,

1. Parenthesis

2.Exponent/Radicals

3.Multiplication/Division

4.Addition/Subtraction

$p(x)=5(x^2+1)+16$