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15 questions
Solve:
4x + 1 = 8x − 3
x = 1
x = 2
infinitely many solutions
no solutions
Solve:
5x + 4 = 5x − 3
x = 4
x = -3
infinitely many solutions
no solutions
Solve:
9y − 5 = 2y + 9
y = -2
y = 2
infinitely many solutions
no solutions
Solve:
6(y + 4) = 6y + 10
y = 10
y = 24
infinitely many solutions
no solutions
Solve:
10x + 3 + 3x = 5x + 1 + 8x + 2
x = -3
x = 3
infinitely many solutions
no solutions
Solve:
3x + 1 + 2x = 4x − 2 − 7x + 7
x = 2
x = ½
infinitely many solutions
no solutions
Solve:
9x + 7 − 5x = 4x − 7
x = 7
x = -7
infinitely many solutions
no solutions
How do you know if an equation has infinite solutions?
One side equals zero
Left side of the equation is identical to the right side
You eliminate all variables from the equation and the two sides are unequal numbers
You reach a step where you cannot do any more operations
Symmetric Property of Equality
Distributive Property
Multiplication Property of Equality
Division Property of Equality
Three consecutive integers have a sum of 141. What is the largest of these numbers?
39
41
48
54
What is the sum of the first 100 numbers?
4720
4950
5050
5125
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