Extra help review - Chapter 7

10r = 69.5

What is the first step to solve this problem? -6x = 24

Which equation does not belong. 5x=20, 4b=7, 8w=32, 12y=48

Which property best justifies why the two expression below are equivalent? 3(m+5) = 3m + 15

A combination of numbers, variables, and at least one operation.

Mathematical sentence showing that two expressions are equal.

Is this a true statement? x + 3 > 9, if x = 4

Which number makes this a true inequality? 9 + a < 17

e - 3 = 5

1/2 e = 1/4

Describe the first step in solving the equation 5x = 35

Which number makes this a true statement? 112 ÷ 8 + x ≥ 15 + 4x - 7

Operations that undo each other

x - 22 =17

Which of the following is not a symbol of inequality?

See image below

6x = 24

see image below

Which division equation has a solution of 42?

m + 4 = 17

8x = 128

Use distributive property to solve 3(2x + 5)

4g = 24

-5c = 45

w/6 = 35