Solve the Equation
2x - 7 = 12
x = 9.5
-6 + 3y > 9
y > 5
I solve equations/inequalities by doing the _______ of what i see in the problem.
opposite
-22 = 11 - 3d
d = 11
-5r - 2 > -17
r < 3
The 4 properties of equality are _____, ______, _____, and ________,
addition, subtraction, multiplication, and division
2(4x - 1) = 14
x = 2
16 + x < 3x - 4
x > 10
When I divide by a __________ in inequalities I must _____ the symbol.
negative, flip (change)
5m + 6 = -3m - 10
m = -2
4x > 3 and -2x + 1 > 10
x > .75 and x < -4.5
I get rid of ( ) by _________ the outside by the inside.
multiplying
3[(4p + 1) - 3] = 2(p +5)
p = 1.6
-13 < 5n - 3 < 2
-2 < n < 1
I know the difference between < and > because the ___ looks like a ____
<, L