Combine like terms to simplify.
3x - x
2x
Distribute and simplify.
3(a + 7)
3a + 21
Solve.
-5y + 35 = 2y
y=5
Solve.
x + 12 = 20
x = 8
Solve.
2n - 7 - 5n = 11
n = -6
Combine like terms to simplify.
9x - 2x + 8y
7x + 8y
Distribute and simplify.
9(-4t + 3)
-36t + 27
Solve.
5b = -3b + 24
b = 3
Solve.
5 = x - 17
x = 22
Solve.
3(2w - 9) = 14 + 2w - 5
w = 9
Combine like terms to simplify.
2a + 6a + 5b - 3b
8a + 2b
Distribute and simplify.
-7(4q + 10r - 8)
-28q - 70r + 56
Solve.
7a - 3 = -23 - 3a
a = -2
Solve.
3x = 21
x = 7
Solve.
7a - 7 - 4a = 3(3a +7) + 23
a = -8
Combine like terms to simplify.
16a + 8 + 12c - 7a + 3b - c
9a + 3b + 11c + 8
Distribute and simplify.
-3(0.6t + 0.2u - 8)
1.8t - 0.6u + 24
Solve.
4 + 4c + 25 = 2c + 9
c = -10
Solve.
x/5 = 6
x = 30
Solve.
-2.5(e + 17.4) = -50
e = 2.6
Combine like terms to simplify.
18k2 + 12j3 - 6k2 + 48
12j3 + 12k2 + 48
Distribute and simplify.
2/5(a -10b + 5)
2/5a - 4b + 2
Solve.
-5r - 7 + 3r = 65 - 8r
r = 12
Solve.
x/8 = 9
x = 72
Solve.
-1/2 = 1/4(z - 1)
z = -1