What is the first step in solving multi step equations?
Isolate the variable
2(x + 3) = 22
x = 8
| x + 5 | = 9
x = 4 , x = -14
5 (x + 6) = -9x + 2
x = -2
Write a numerical expression for the sum of 3 and twice d
3 + 2d
How many solutions will you have when solving an absolute value equations?
2
-4x + 8 = 16
x = -2
| x - 6 | = 10
x= 16 , or x = -4
2x + 3 = 19 + x
x = 16
Solve:
2x - 3 = 3x - 12
x = 9
What should I do to make sure my solutions are correct?
Check my work by substituting the values back into the original question.
5 (x + 6) = 25
x = -1
3 | x - 4 | = 21
x = 11, or x = -3
8(1 + 5x) + 5 = 13 + 5x
x = 0
| w - 1 | = 4
w = -3 or w = 5
The absolute value is always _____
positive
x/4 + 12 = 48
x = 144
6 | x - 3 | = 42
x = 10 or x = -4
2(4x - 5) = 7x + 1
x = 11
Solve:
3x = 7x - 4
x = 1
What is the first step in solving an absolute value equation?
Write the two cases
2(3x - 4) + 8 = 6
x = 1
4 | x + 2 | + 3 = 7
x=-1 or x=-3
-3x + 4 = 2x +19
x = -3
Solve the proportion. (x+4)/12 = 4x/24
x = 4