3 years ago

25pts for correct answer with explanation Find the value of x when 2(x - 3) + 1 = 3x + 4

Mathematics

1 answer:

trapecia [35]3 years ago

3 0

The answer is A) -1.

You might be interested in

Please help me answer these!!! Thanks :)

Andrei [34K]

-2-(+7) is the same thing at -2-7 which is -9

$-3 \frac{2}{7} -(- \frac{5}{7} )$ is the same thing as $(-3 \frac{2}{7}) + (\frac{5}{7})$ which is $- \frac{18}{7}$ or $-2 \frac{4}{7}$

Last but not least the last one is the Associative Property based on definition listed below :)
Associative Property:<span> When three or more numbers are added, the sum is the same regardless of the grouping of the addends. For example (2 + 3) + 4 = 2 + (3 + 4)</span>

6 0

4 years ago

(15 POINTS)

OleMash [197]

Answer:

Step-by-step explanation:

$x^2-5x-6==\\\\x^2+x-6x-6=0\\\\x(x+1)-6(x+1)=0\\\\(x+1)(x-6)=0\iff x+1=0\ \vee\ x-6=0\\\\x+1=0\qquad\text{subtract 1 from both sides}\\\boxed{x=-1}\\\\x-6=0\qquad\text{add 6 to both sides}\\\boxed{x=6}$