Math is Fun

If 28 = 10y - 3y, find y.

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• 4

-2х - 6 = 2

• -1

• -2

• -3

• -4

If 19 + 19x = 3x - 9 find the value of x.

• -7/4

• 7/4

• 4/7

• -4/7

If x + 7 = 16 then what is the value of 8x - 72 = ?

• 0

• 12

• 30

• 45

3x + 3 = 7x - 9

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• 4

Find the solution y to the equation y + 10=13y - 74

• y = 7

• y = 12

• y= 22

• y = 32

Find the solution y to the linear equation 2y+6=y+11.

• y=5.

• y=-5.

• y=15.

• y=-15.

The value of x with the equation 5x – 7 = 9x – 23

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2x – 15 = -4x +3= ....

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• 4

A rectangle ABCD has length and beread (7x + 8) cm, (3x + 2) cm. If the perimeter is 80, the area is ....

• 200

• 219

• 321

• 319