2.50x + 15.00 = 1.00x
what is x?
2 answers:
Answer:
x = -10
Step-by-step explanation:
Step 1: Write equation
2.50x + 15.00 = 1.00x
Step 2: Solve for <em>x</em>
- Subtract 1.00x on both sides: 1.50x + 15.00 = 0
- Subtract 15.00 on both sides: 1.50x = -15.00
- Divide both sides by 1.50: x = -10
Step 3: Check
<em>Plug in x to verify it's a solution.</em>
2.50(-10) + 15.00 = 1.00(-10)
-25 + 15.00 = -10
-10 = -10
Answer:
x = -10
Step-by-step explanation:
multiply both sides by 10:
2.50x*10+15*10=1.00x*10
Refine:
25x + 150 = 10x
Subtract 150 from both sides:
25x + 150 - 150 = 10x - 150
Simplify:
25x = 10x - 150
Subtract 10x from both sides:
25x - 10x = 10x - 150 - 10x
Simplify:
15x = -150
Divide both sides by 15:
15x/15 = -150/15
Simplify:
x = -10
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