Front

Simplify the expression: -9 + 4

Back

-5

Front

Simplify the expression: 3 - (-4)

Back

7

Front

Simplify the expression: -6 + (-3)

Back

-9

Front

Simplify the expression: -7x + (-4x) - (-2x)

Back

-9x

Front

Simplify the expression: -6x - (-12x) + 7

Back

6x + 7

Front

Simplify the expression: -6(x + 3) + (-2x)

Back

-8x - 18

Front

Solve the equation using inverse operations: - 8 + n = -3

Back

5

Front

Solve the equation: - 25 = y + 17

Back

y = - 42

Front

y - 11.3 = -24.6

Back

-13.3

Front

Simplify: 3x² + 2x + 7 - 2(x² - x - 4)

Back

1x² + 4x + 15