Solve: x + 4 = - 3
x + 4 = - 3
⇒ x = - 3 - 4
⇒ x = - 7
Solve: y + 8 = 5
Solve: a + `3 1/5 = 1 1/2`
Solve: 5 = m + `3 4/7`
Solve: 7m - 1 = 20
Solve: 5 – x = 3
Solve: `"y"/2` - 5 = 1
Solve: 6y + 3 = 2y + 11
Solve: 5(x - 2)- 2(x + 2) = 3
A natural number decreased by 7 is 12. Find the number.
Which of the following is a linear expression?