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Alenkinab [10]
3 years ago
5

Can someone tell me how this answer is o? 2(2-2x)=4 solving one variable equations

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

2(2 - 2x) = 4

Distribute (multiply) 2 inside the parentheses.

4 - 4x = 4

Subtract 4 from both sides.

-4x = 0

DIvide both sides by -4.

x = 0

x is 0 because anything divided by 0 (0/-4) equals 0.

Olin [163]3 years ago
5 0

2(2-2x)=4\\ 2-2x=2\\ 2x=0\\ x=0

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------------------------------

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Now eq. 1 and 3, but multiple eq.1 with 2.

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----------------------------

7y - 4z = 18

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