REVIEW: four times the difference of a number and three
4(x-3)
REVIEW: the product of three and a number
3x
REVIEW: the quotient of a number and 8
x/8
Write the equivalent expression that has parenthesis: 10x+45
5(2x+9)
3(x+7)
3x+21
6(2x+6)
12x+36
8(x+3)
8x+24
Are the following expressions equivalent? 4(2x+4) and 8x+16
YES!
Write the equivalent expression that has parenthesis: 7x+42
7(x+6)
20(3x+5)
60x+100
Write the equivalent expression that has parenthesis: 9x+3
3(3x+1)
7(3x+4)
21x+28
REVIEW: Johnny went to Wegmans and bought 9 apples and x oranges. He left the store with 14 pieces of fruit. Write an equation to represent the situation.
9+x=14
6(x+10)
6x+60
4(x+4)
4x+16
SIMPLFY: 12x+8y+4x-2y
16x+6y
REVIEW: Seven less than a number
x-7
4(8x+1)
32x+4
SIMPLFY: 9x+3x+7y+y
12x+8y
SIMPLFY: 9x+5x-2x
12x
REVIEW: Sally has 60 bracelets. She wants to split them evenly by x friends. She gives each friend 10 bracelets. Write the equation to represent this situation.
60/x = 10
REVIEW: Solve the equation x+7.8=14.5
x=6.7
REVIEW: Solve the equation 8x=28
x=3.5
Are the following expression equivalent? 7(x+10) and 7x+10
NO!
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