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VA ROG E URGENTTTTTTT ​

VA ROG E URGENTTTTTTT class=

Răspuns :

4x + 3 = 2x + 7
4x - 2x = -3 + 7
2x = 4
x = 4:2
x = 2
4x+3=2x+7 |-2x
2x+3=7|-3
2x=4 => x=2