Question

D 1. Solve -4(3x - 7) = 40 for x. x = -3.92 x= -1 X = 1 X = 3.92

Answer 1

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ANSWER :

$x = -1$

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Solve for x, : $-4(3x-7) = 40 :~x = -1$

$-4(3x-7) = 40$

Divide both sides by : $-4$

$\frac{-4(3x -7)}{-4} =\frac{40}{-4}$

Simplify :

$3x - 7 = -10$

Add $7$ to both sides :

$3x -7~+~7=-10~+~7$

Simplify :

$3x = - 3$

Divide both sides by $3$ :

$\frac{3x}{3} =\frac{-3}{3}$

Simplify :

$x = -1$

Hope It Helps. . .

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