WebDec 23, 2014 · It is a basic line. Whatever you plug in a value x, it must fulfill a value for y. If x=1, y must equal 5. Then you have inequalities. y ≥ 2x +3 Basically, every value for x and y above or on the line will work as an answer. The point (0, 4) is a good answer, because: 4 ≥ 2(0) + 3 4 ≥ 3 y ≤ 2x +3 WebThe first rule, however, is similar to that used in solving equations. If the same quantity is added to each side of an inequality, the results are unequal in the same order. Example 1 If 5 < 8, then 5 + 2 < 8 + 2. Example 2 If 7 …
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Webthe difference between the product of four and a number and 6 $16:(5 the product of the square of a number and 8 $16:(5 8x2 fifteen less than the cube of a number $16:(5 x 3 ± 15 five more than the quotient of a number and 4 $16:(5 Write a verbal sentence to represent each equation. $16:(5 Four less than 8 times a number is 16. $16:(5 WebEquation Solver Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method … facts about nikki grimes
3.1: Mathematical Expressions - Mathematics LibreTexts
WebMar 6, 2024 · First, let's call the number we are looking for: #n# "four times a number" can be written as: #4n# If it is then "increased by 15" we can write: #4n + 15# Likewise, "six times the number" can be written as: #6n# and the result of the first phrase "is three less than this" so we can write and solve: #4n + 15 = 6n - 3# Web1. Which of the following is a translation of the statement 4x + 5 = 21? a. 5 more than 4 times a number is 21 b. 4 more than 5 times a number is 21 C. 5 less than 4 times a number is 21 d. 9 times a number is 21; 2. _ 1. Five times a number subtracted from 8 times the number equals 21.a. 8n + 5n = 21b. 8n - 5n = 21c. 8n x 5n = 21d. 8n + 5n ... WebAnswer: Let variable x x be the unknown number. So twice a number means 2x 2x. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. … facts about nike god