To solve for x, we will simplify the equation step by step:
Starting with 5x = 3(x - 7) - 9, we can simplify the right side:
5x = 3x - 21 - 9
Combining like terms, we get:
5x = 3x - 30
Bring the 3x term to the left side by subtracting 3x from both sides:
5x - 3x = -30
This simplifies to:
2x = -30
Finally, solve for x by dividing both sides of the equation by 2:
x = -30/2
Simplifying the expression on the right side gives the final result:
x = -15
Solve for x : 5x=3(x−7)−9
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