Please help simplify this equation by combining like terms (3x-5) +(4x+12)
2 answers:
Answer:
7x+17
Step-by-step explanation:
(3x-5) +(4x+12)
I like to line them up vertically
(3x-5)
+(4x+12)
----------------
7x+17
PEMDAS
parenthesis
exponents
multiplication and division (whichever comes first)
addiction and subtraction (whichever comes first)
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5ax+2a=9a
5ax+2a-2a=9a-2a
5ax =7a
5ax/5a =7a/5a
x=7/5
Answer:
AC 29
CB 15
Step-by-step explanation:
5x-6+2x+1=44 add like terms
7x-5=44
7x= 49
x= 7
plug back in
5(7)-6 = 29
2(7)+1 = 15
Answer: (-3, 12)
Step-by-step explanation:
Count the number of boxes down from the x-axis and then count the same number up
It is a linear equation so there can be 1 solution, 0 solutions, or infinite solutions
4(x-5)=4x-24
distribute
4x -20 = 4x-24
subtract 4x from each side
-20 = -24
no solutions