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DaniilM [7]
3 years ago
9

Solve this question? 7x - 3x +7 =3 (x - 4)+20

Mathematics
2 answers:
Nady [450]3 years ago
6 0
X=1

To solve this you start by adding like terms on the left side and doing the distributive property and adding like terms on the right. This would get you
4x+7=3x+8

Then you minus 3x on both sides getting
x+7=8

Then subtract 7 from both sides getting x=1.
Westkost [7]3 years ago
5 0
7x - 3x + 7 = 3 ( x - 4 ) +20
⇔ 4x + 7 = 3x - 12 + 20
⇔ 4x - 3x = 8 - 7
⇔ x = 1
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