Question #d2c06
1 Answer
Answer:
#x = 4# #x>6.25# #x=10#  ...
#2x^2+3x+9#  ..
Explanation:
#3*x+5 = 17#
To solve these of equations, the unknown,#x# , has to be isolated one side of the equation,
First, we subtract 5 from both side of the equation to get rid of the 5 on the left side.
#3*x +5 5 = 17 5#
#3*x = 12#
Then divide by 3 both sides
(3 by 3 cancel out, and 12/3=4)
#4*x 5>20#
Same as before, add 5 to both sides of the equation
divide by 4 both sides of the equation

#2x=12#
subtract 2 from both sides of the equation
#2x2=122#
#x=10#
since x is negative, we have to multiply both sides by 1
#(x)(1)=(10)(1)#
#x=10# 
4th try it yourself

#(2x+3)(3x)#
in these kind of equations, you have to multiply each term of the first with the each terms of the second,
it is written as#(ax+b)*(cx+d)#
and it is equal to
#(ax)(cx)+(b)(cx)+(ax)(d)+(b)(d)#
in the one in your example,
is equal to
simplifying the answer by adding
Therefore, the answer is
=
 Last one give it a try
If you could not solve the 4th and the last I will help you with them.
I Hope that this will help. :)