Solve. 9x - 10 = 2x + 18
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Answer:
Step-by-step explanation:
Simplifying
9x + 10 = -2x + -18
Reorder the terms:
10 + 9x = -2x + -18
Reorder the terms:
10 + 9x = -18 + -2x
Solving
10 + 9x = -18 + -2x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2x' to each side of the equation.
10 + 9x + 2x = -18 + -2x + 2x
Combine like terms: 9x + 2x = 11x
10 + 11x = -18 + -2x + 2x
Combine like terms: -2x + 2x = 0
10 + 11x = -18 + 0
10 + 11x = -18
Add '-10' to each side of the equation.
10 + -10 + 11x = -18 + -10
Combine like terms: 10 + -10 = 0
0 + 11x = -18 + -10
11x = -18 + -10
Combine like terms: -18 + -10 = -28
11x = -28
Divide each side by '11'.
x = -2.545454545
Simplifying
x = -2.545454545
Answered by
0
Answer:
HOW TO SOLVE?
9x - 10 = 2x + 18
9x - 2x - 10 = 18
7x - 10 = 18
7x = 18 +10
7x = 28
x = 28/7
x = 4
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