Question

X-(7-8x) = 2 9x -(3+4x)= 4

asked Mar 25, 2024 233k views

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Vinieth · Answer 1 · 2024-03-29T21:10:45+0000

Hello!

Answer:

$\Large \boxed{\sf x = 1}$

$\Large \boxed{\sf x = 1.4}$

Explanation:

First equation:

We want to solve:

$\sf x-(7-8x) = 2$

◼ Simplify the left side:

$\sf x-7+8x = 2$

$\sf9x -7 = 2$

◼ Add 7 from both sides:

$\sf9x -7+7 = 2+7$

◼ Simplify both sides:

$\sf 9x = 9$

◼ Divide both sides by 9:

$\sf (9x)/(9) = (9)/(9)$

◼ Simplify both sides:

$\boxed{\sf x = 1}$

Second equation:

We want to solve:

$\sf 9x -(3+4x)= 4$

◼ Simplify the left side:

$\sf 9x -3-4x= 4$

$\sf 5x -3= 4$

◼ Add 3 from both sides:

$\sf5x -3+3 =4+3$

◼ Simplify both sides:

$\sf 5x = 7$

◼ Divide both sides by 5:

$\sf (5x)/(5) = (7)/(5)$

◼ Simplify both sides:

$\boxed{\sf x=1.4}$

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2 Answers

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First equation:

Second equation:

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