Systems of equations elimination

Front

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

Back

(5, −6)

Front

2x - 3 + 4x = 27

Back

5

Front

3x + 2(4x - 4) = 3

Back

1

Front

Solve the equation:
3(x - 1) = 2x + 9

Back

x = 12

Front

Solution set of 2(x + 5) = 2x + 5

Back

no solution

Front

Which step cannot be performed first when solving the equation
5 - 2(x - 7) = x + 1 + 3x?

Back

5 - 2

Front

Simplify: -8 + (15 - 3) ÷ 4

Back

-5

Front

What is the first step in solving this equation? 5x + 7 = 12 Options: Divide by 5, Subtract 5, Multiply by 7, Subtract 7

Back

Subtract 7

Front

11 = 3x + 8x

Back

x = 1

Front

What is the solution? Options: (1, -1), (-1, 1), (0, -2), (0, 1)

Back

(1, -1)