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8 more than a number x
x + 8
Evaluate 3x + 5 when x = 4
17
Simplify: 2a + 4b − a + 3b
a + 7b
6x + 3(x − 2)
9x − 6
3x − 5 = 7
x = 4
The product of 4 and y
4y
Evaluate 2c − 3b when c = 9 and b = −2
24
Simplify: 3x + 5 + 2x − 4
5x + 1
3 + 4(3x + 2)
12x + 11
Solve: 2x + 3 = 11
x = 4
Twice a number decreased by 3 is 7
2x − 3 = 7
Evaluate 4x − 3.5y when x = 2 and y = 1.2
3.8
Simplify: 6y − 2 + 4 − 3y
3y + 2
−4(−x − 5) − 6
4x + 14
Solve: 2/3x − 5 = 1
x = 9
Three times the sum of a number and four, minus twice the number.
3(x + 4) − 2x
Evaluate 2x + 3.5y − z/2
Given x = 3, y = 1.2, z = −4
12.2
5a − 2b + 4a + 7b
9a + 5b
3(x − y) + 2x
5x − 3y
Emily has $40. She buys a $12 ticket then splits the remaining money equally between 2 friends. How much does each get?
1) Write an equation
2) Solve
✅ Equation:
(40 − 12)/2 = x
✅ x = 14
The product of five and a number plus six equals the number squared
5x + 6 = x²
Evaluate 5x² − 2.5y + ¾z
x = −4, y = 4, z = ½
69.375
7x + 2y − 3x + 5y − 4
4x + 7y − 4
−4(2x − 5y) + 4
10x + 21y
Maria is three times as old as her brother. In five years she will be 20. Find Maria’s current age.
1) Write an equation
2) Solve
✅ Equation:
3x + 5 = 20
✅ x = 5 (brother) → Maria = 15