Solving by Combining Like Terms
2x+5=3x-7
x=12
3x+4=7x-12
x=4
Given that a=2, b=-1, and c=-3 evaluate:
2c-a
-8
9+n=2n-3
n=12
m-1=(7m+1)/5
m=-3
Given that a=2, b=-1, and c=-3 evaluate:
4a- (12/c)
12
2(2x+8)=4x+8
no solution
(m/6)+5=21
m=96
Given that a=2, b=-1, and c=-3 evaluate:
abc
6
2(j-3)+4=2j-2
infinitely many
-6(m + 1) + 18 = 24
m = -2
Given that a=2, b=-1, and c=-3 evaluate:
3b+2c
-9
5x-4=7x+18
x=-11
7k - 8 + 2(k + 12) = 52
k = 4
Given that a=2, b=5, and c=-3 evaluate:
4b2+ac
94