Q: Is 7 a solution of the equation 3x plus 8-x equals 5x-4?

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1x20 2x10 4x5

2X10 would work, as would 5X4.

A number sentence is a mathematical equation, such as 2x6+5x4=32.

x^5+2x^4+4x^2+2x-3

8x + 5x + 9 = 61 Collect 'like' terms. 13x + 9 = 61 Subtract '9' from both sides 13x = 52 Divide both sides by '13' x = 52/13 x = 4

Related questions

The answer is 20.

5x is a common factor of all terms:- 5x(x3+4x2+9)

103

1x20 2x10 4x5

2X10 would work, as would 5X4.

The Commutative Property (of Multiplication) says that 4x5 = 5x4. So, If 4x5 = 20, then 5x4 will also be 20.

46

Associative property

A number sentence is a mathematical equation, such as 2x6+5x4=32.

Something X^3

x^5+2x^4+4x^2+2x-3

No It is not 5x4=20 and 5x100=500