Which equation has the solution x = 4 ? 4x = 20
Ž = 8
X + 8 = 3x
x + 5
X=
2
A
B
С
D

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step-by-step explanation:

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step-by-step explanatio89

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w