8:7-1 Solving Two-Step Equations. vocab none Solving equations x + 6 = 10y – 5 = 23.

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Presentation transcript:

8:7-1 Solving Two-Step Equations

vocab none

Solving equations x + 6 = 10y – 5 = 23

Solving two-step equations 3n – 7 = 82x + 1 = 5x/4 + 6 = 9 3n – = x + 1 – 1 = 5 – 1x/4 + 6 – 6 = n = 152x = 4x/4 = 3 3n/3 = 15/32x/2 = 4/2(x/4)*4 = 3*4 n = 5x = 2x = 12

Try these 5x + 7 = 126x – 3 = 39y/4 + 8 = 12

Negative coefficients 5 – 2x = 7-x – 3 = 8 5 – 5 – 2x = 7 – 5-x – = x = 2-x = 11 -2x/-2 = 2/-2-x/-1 = 11/-1 x = -1x = -11

Try these -a + 6 = 8-9 – y/7 = -12

p. 346 # 15

Questions?

homework P. 346 #6-26 all skip #15