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Solving Linear Equations
Solving Linear Equations
Solving Linear Inequalities
Solving Formulas
Elimination
100
6x - 4 = -34
x = -5
100
-5 + 36w = 175
w = 5
100
x + 5 ≤ 7
x ≤ 2
100
A = lw for w
w = A/l
100
x + y = -7 x - y = 5
x = -1 y = -6 (-1,-6)
200
x/2 - 7 = 3
x = 20
200
10 + b/6 = 4
b = -36
200
3/4 t ≤ 12
t ≤ 16
200
A = πr for r
A/π = r
200
3x - 2y = -2 3x + y = 10
x = 2 y = 4 (2,4)
300
2x - 7 = 3x + 4
x = -11
300
5a + 2 = 6a - 6
a = 8
300
7 ≥ 1 - 6r
r ≥ -1
300
I = PRT for R
R = I/PT
300
2x - 2y = 14 x + 4y = -13
x = 3 y = -4 (3,-4)
400
4(2b - 4) = 7b + 2
b = 18
400
6(x - 9) = 4x - 20
x = 17
400
-2 ≤ x + 3 < 9
-5 ≤ x < 6
400
F = 9/5 C + 32 for C
C = 5/9 (F - 32)
400
3x + y = -15 2x - 3y = 23
x = -2 y = -9 (-2,-9)
500
5(t - 2) - 2 = 6t - 9
t = -3
500
-6 + 2c = 3c - (6 + 5)
c = 5
500
m + 2 < -1 OR m - 2 > 6
m < -3 OR m > 8
500
9 - 5y = 6x + 2 for x
x = (7 - 5y)/6
500
5x - 2y = -48 2x + 3y = -23
x = -10 y = -1 (-10,-1)