Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
y=9
Evaluate
(270÷y−12)×70=1260
Find the domain
(270÷y−12)×70=1260,y=0
Simplify
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Evaluate
(270÷y−12)×70
Rewrite the expression
(y270−12)×70
Use the the distributive property to expand the expression
y270×70−12×70
Multiply the terms
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Multiply the terms
y270×70
Multiply the terms
y270×70
Multiply the terms
y18900
y18900−12×70
Multiply the numbers
y18900−840
y18900−840=1260
Move the constant to the right-hand side and change its sign
y18900=1260+840
Add the numbers
y18900=2100
Cross multiply
18900=y×2100
Simplify the equation
18900=2100y
Rewrite the expression
2100×9=2100y
Evaluate
9=y
Swap the sides of the equation
y=9
Check if the solution is in the defined range
y=9,y=0
Solution
y=9
Show Solution
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