Solve for x (complex solution)
x\in \mathrm{C}
Solve for x
x\in \mathrm{R}
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21\left(260-2x\right)+42x=5460
Multiply both sides of the equation by 7.
5460-42x+42x=5460
Use the distributive property to multiply 21 by 260-2x.
5460=5460
Combine -42x and 42x to get 0.
\text{true}
Compare 5460 and 5460.
x\in \mathrm{C}
This is true for any x.
21\left(260-2x\right)+42x=5460
Multiply both sides of the equation by 7.
5460-42x+42x=5460
Use the distributive property to multiply 21 by 260-2x.
5460=5460
Combine -42x and 42x to get 0.
\text{true}
Compare 5460 and 5460.
x\in \mathrm{R}
This is true for any x.
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Limits
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