Відповідь:
7(x+3) = 5(y+1)+1
3y+1÷4×(2-x) = 5(y+1)+1
7x-5y = 15
3y+1÷4×(2-x) = 5(y+1)11
7x-5y= 15
x+8y= -22
x+8y = -22
7(x+8y) = 7×(-22)
7x+7x(8y) = 7x(-22)
7x+7×(8y) = 7×22
7x+7x(8y) = 154
7x+7×8y = 154
7x+56y = 154
7x+5y = 15
7x+5y+7x+56y = 15+154
5y+56y = 15+154
51y = 15+154
51y = 169
Пояснення:
Відповідь:
7(x+3) = 5(y+1)+1
3y+1÷4×(2-x) = 5(y+1)+1
7x-5y = 15
3y+1÷4×(2-x) = 5(y+1)11
7x-5y= 15
x+8y= -22
x+8y = -22
7(x+8y) = 7×(-22)
7x+7x(8y) = 7x(-22)
7x+7×(8y) = 7×22
7x+7x(8y) = 154
7x+7×8y = 154
7x+56y = 154
7x+5y = 15
7x+56y = 154
7x+5y+7x+56y = 15+154
5y+56y = 15+154
51y = 15+154
51y = 169
Пояснення: