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Q: What is a two step equation that equals 13?

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13

3x4+1

If: 2x = 26 Then: x = 13

If 2x - 13 = 5 then 2x = 5 + 13 (we have in effect added 13 to both sides of the equation in this step) 2x = 18 x = 9.

88=13+5x -13 -13 75= 5x 75/5 =15 x=15

1 + 12 = WHAT

x+2y=13 has infinite answers, because you have two variables and only one equation.

5

40

Equations: 7x+4y = 9 and 2x+3y = 1 Multiply all terms in the 1st equation by 2 and all terms in the 2nd equation by 7 So: 14x+8y = 18 and 14x+21y = 7 Subtract the 1st equation from the 2nd equation: 13y = -11 => y = -11/13 By substituting y = -11/13 into any of the equations x = 23/13 Therefore the solutions are: x = 23/13 and y = -11/13

An equation where p = 19

Because there is no equals sign.

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