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Mathematics
Abram Barr
15 January, 18:49
Solve for k.
9 (3-2x) = 2 (10-8x)
+5
Answers (
1
)
Marely Olson
15 January, 19:35
0
Step-by-step explanation:
9 (3-2x) = 2 (10-8x)
Step 1: Simplify both sides of the equation.
9 (3-2x) = 2 (10-8x)
(9) (3) + (9) (-2x) = (2) (10) + (2) (-8x) (Distribute)
27+-18x=20+-16x
-18x+27=-16x+20
Step 2: Add 16x to both sides.
-18x+27+16x=-16x+20+16x
-2x+27=20
Step 3: Subtract 27 from both sides.
-2x+27-27=20-27
-2x=-7
Step 4: Divide both sides by - 2.
-2x - 2 = - 7 / -2
x = 7 / 2
Answer:
x = 7 / 2
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