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asambeis [7]
3 years ago
13

The whole equation is supposed to be 180!!

Mathematics
1 answer:
Kazeer [188]3 years ago
4 0
4x+30+x=180
5x+30=180
5x=180 Divide both sides by 5
5x÷5=180÷5
x=30
And to check plug 30 in place of the x's
4(30)+30+30=180
180=180
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