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Mathematics
Juan Alexander
8 February, 07:50
Solve for 2:
7x + 156°
9x + 184°
+5
Answers (
1
)
Isabell Mitchell
8 February, 08:55
0
x = - 14
Step-by-step explanation:
Simplifying
7x + 156 = 9x + 184
Reorder the terms:
156 + 7x = 9x + 184
Reorder the terms:
156 + 7x = 184 + 9x
Solving
156 + 7x = 184 + 9x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-9x' to each side of the equation.
156 + 7x + - 9x = 184 + 9x + - 9x
Combine like terms: 7x + - 9x = - 2x
156 + - 2x = 184 + 9x + - 9x
Combine like terms: 9x + - 9x = 0
156 + - 2x = 184 + 0
156 + - 2x = 184
Add '-156' to each side of the equation.
156 + - 156 + - 2x = 184 + - 156
Combine like terms: 156 + - 156 = 0
0 + - 2x = 184 + - 156
-2x = 184 + - 156
Combine like terms: 184 + - 156 = 28
-2x = 28
Divide each side by '-2'.
x = - 14
Simplifying
x = - 14
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