Question
Simplify the expressions.
1. 2x - 4 + 3x
2. 4y - 1 - 3y + 2
3. x + 2(x - 4
1. 2x - 4 + 3x
2. 4y - 1 - 3y + 2
3. x + 2(x - 4
Answers
Anonymous Person
Whoops, I forgot the grouping at the end. My bad.
Ms. Sue
1. 2x - 4 + 3x = 5x - 4
I'll gladly check your answers for the other two.
2. 4y - 1 - 3y + 2
3. x + 2(x - 4
I'll gladly check your answers for the other two.
2. 4y - 1 - 3y + 2
3. x + 2(x - 4
Anonymous Person
Is number two 1y+3?
And I'm confused with number three.
And I'm confused with number three.
Ms. Sue
2. No.
We don't put 1 before an unknown. And 2 - 1 = 1
4y - 1 - 3y + 2 = y + 1
3.
x + 2(x - 4) = x + 2x -8 = 3x - 8
We don't put 1 before an unknown. And 2 - 1 = 1
4y - 1 - 3y + 2 = y + 1
3.
x + 2(x - 4) = x + 2x -8 = 3x - 8