Frozenfan
Answered

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Solve 4/9x+7=1/2.

Solve 1/8x−12=3/4.

Sagot :

mariamikayla
[tex]\# 1 \\\\ \frac{4}{9}x+7=\frac{1}{2} \\\\ \frac{4x}{9}=\frac{1}{2}-7^{(2} \\\\ \frac{4x}{9}=\frac{1-14}{2} \\\\ \frac{4x}{9}=-\frac{13}{2} \\\\ 4x=-\frac{9*13}{2} \\\\ x=-\frac{\frac{9*13}{2}}{4} \\\\ x=-\frac{117}{2}*\frac{1}{4} \\\\ \boxed{x=-\frac{117}{8}=-14\frac{5}{8}}[/tex]

[tex]\#2 \\\\ \frac{1}{8}x-12=\frac{3}{4} \\\\ \frac{1}{8}x=\frac{3}{4}+12^{(4} \\\\ \frac{x}{8}=\frac{3+48}{4} \\\\ \frac{x}{8}=\frac{51}{4} \\\\ x=\frac{\not8*51}{\not4} \\\\ x=2*51 \\\\ \boxed{x=102}[/tex]
logo88
1. 4/9x+7=1/2
          -7   -7

4/9x= -6.5
4x=-58.5 (now divide by 4)
x=-14.625



2. 1/8x-12=3/4
          +12 +12

1/8x=12.75
    x=102 (now divide by 1/8 to both sides)
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