You can multiply everything by 7 to make things simpler.
3x + 5 = 4
3x = -1
x = -1/3
Comparing it to a system of equations, the expression is represented as follows:
18g + 5.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
For this problem, we consider g as the variable. Then:
- 18 times the quantity g is 18g.
- Adding 5 to the expression, we have that 18g + 5.
More can be learned about a system of equations at brainly.com/question/24342899
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Rhombus, rectangle, square these have lines of symmetry. others i am not much sure
1 g = 1 cm^3 = 1 mL. Hence, 2000 g = 2000 cm^3 = 2000 mL.
Important: Use the symbol "^" to denote exponentiation:
<span>x3 – 9x2 + 5x – 45 NO
</span><span>x^3 – 9x^2 + 5x – 45 YES
Look at the first 2 terms. They can be rewritten as x^2(x-9). Then look at the last 2 terms. They can be rewritten as 5(x-9). So, x-9 is the common factor here. Thus, the original expression becomes:
(x^2-5)(x-9).
Note that x^2-5 can be factored, so that the final 3 factors are:
(x-sqrt(5)), (x+sqrt(5)), (x-9).</span>
