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Pebbles
Mathematics
29 September, 10:33
Which equation is equivalent to 7-2 (3x+4) = 8x
+4
Answers (
1
)
Dereon Reilly
29 September, 10:42
0
x=
-1
14
Step-by-step explanation:
Let's solve your equation step-by-step.
7-2 (3x+4) = 8x
Step 1: Simplify both sides of the equation.
7-2 (3x+4) = 8x
7 + (-2) (3x) + (-2) (4) = 8x (Distribute)
7+-6x+-8=8x
(-6x) + (7+-8) = 8x (Combine Like Terms)
-6x+-1=8x
-6x-1=8x
Step 2: Subtract 8x from both sides.
-6x-1-8x=8x-8x
-14x-1=0
Step 3: Add 1 to both sides.
-14x-1+1=0+1
-14x=1
Step 4: Divide both sides by - 14.
-14x
-14
=
1
-14
x=
-1
14
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